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JavaDoc comments. 

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271533 13f79535-47bb-0310-9956-ffa450edef68
master
Jon Skeet 24 years ago
parent
10a699cb4c
commit
f181fda33d
7 changed files with 340 additions and 165 deletions
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  1. +100
    -93
      src/main/org/apache/tools/ant/AntClassLoader.java
  2. +21
    -18
      src/main/org/apache/tools/ant/DemuxOutputStream.java
  3. +4
    -0
      src/main/org/apache/tools/ant/IntrospectionHelper.java
  4. +33
    -7
      src/main/org/apache/tools/ant/Location.java
  5. +126
    -41
      src/main/org/apache/tools/ant/Main.java
  6. +29
    -1
      src/main/org/apache/tools/ant/NoBannerLogger.java
  7. +27
    -5
      src/main/org/apache/tools/ant/PathTokenizer.java

+ 100
- 93
src/main/org/apache/tools/ant/AntClassLoader.java View File

@@ -115,7 +115,7 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
private URL nextResource;

/**
* Construct a new enumeration of resources of the given name found
* Constructs a new enumeration of resources of the given name found
* within this class loader's classpath.
*
* @param name the name of the resource to search for.
@@ -140,7 +140,7 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
/**
* Returns the next resource in the enumeration.
*
* @return the next resource in the enumeration.
* @return the next resource in the enumeration
*/
public Object nextElement() {
URL ret = this.nextResource;
@@ -211,19 +211,20 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
private Vector loaderPackages = new Vector();

/**
* This flag indicates that the classloader will ignore the base
* classloader if it can't find a class. This is set by the
* {@link #setIsolated(boolean) setIsolated} method.
* Whether or not this classloader will ignore the base
* classloader if it can't find a class.
*
* @see #setIsolated(boolean)
*/
private boolean ignoreBase = false;

/**
* The parent class loader, if one is given or can be determined
* The parent class loader, if one is given or can be determined.
*/
private ClassLoader parent = null;

/**
* A hashtable of zip files opened by the classloader (File to ZipFile)
* A hashtable of zip files opened by the classloader (File to ZipFile).
*/
private Hashtable zipFiles = new Hashtable();

@@ -277,11 +278,11 @@ public class AntClassLoader extends ClassLoader implements BuildListener {


/**
* Create a classloader for the given project using the classpath given.
* Creates a classloader for the given project using the classpath given.
*
* @param project the project to which this classloader is to belong.
* @param project The project to which this classloader is to belong.
* Must not be <code>null</code>.
* @param classpath the classpath to use to load the classes. This
* @param classpath The classpath to use to load the classes. This
* is combined with the system classpath in a manner
* determined by the value of ${build.sysclasspath}.
* May be <code>null</code>, in which case no path
@@ -306,20 +307,20 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Create a classloader for the given project using the classpath given.
* Creates a classloader for the given project using the classpath given.
*
* @param parent the parent classloader to which unsatisfied loading
* @param parent The parent classloader to which unsatisfied loading
* attempts are delegated. May be <code>null</code>,
* in which case the classloader which loaded this
* class is used as the parent.
* @param project the project to which this classloader is to belong.
* @param project The project to which this classloader is to belong.
* Must not be <code>null</code>.
* @param classpath the classpath to use to load the classes.
* May be <code>null</code>, in which case no path
* elements are set up to start with.
* @param parentFirst if <code>true</code> indicates that the parent
* classloader should be consulted before trying to load
* the a class through this loader.
* @param parentFirst If <code>true</code>, indicates that the parent
* classloader should be consulted before trying to
* load the a class through this loader.
*/
public AntClassLoader(ClassLoader parent, Project project, Path classpath,
boolean parentFirst) {
@@ -334,15 +335,14 @@ public class AntClassLoader extends ClassLoader implements BuildListener {


/**
* Create a classloader for the given project using the classpath given.
* Creates a classloader for the given project using the classpath given.
*
* @param project the project to which this classloader is to belong.
* @param project The project to which this classloader is to belong.
* Must not be <code>null</code>.
* @param classpath the classpath to use to load the classes. May be
* @param classpath The classpath to use to load the classes. May be
* <code>null</code>, in which case no path
* elements are set up to start with.
*
* @param parentFirst if <code>true</code> indicates that the parent
* @param parentFirst If <code>true</code>, indicates that the parent
* classloader should be consulted before trying to
* load the a class through this loader.
*/
@@ -351,16 +351,16 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Create an empty class loader. The classloader should be configured
* Creates an empty class loader. The classloader should be configured
* with path elements to specify where the loader is to look for
* classes.
*
* @param parent the parent classloader to which unsatisfied loading
* @param parent The parent classloader to which unsatisfied loading
* attempts are delegated. May be <code>null</code>,
* in which case the classloader which loaded this
* class is used as the parent.
* @param parentFirst if <code>true</code> indicates that the parent
* classloader should be consulted before trying to
* @param parentFirst If <code>true</code>, indicates that the parent
* classloader should be consulted before trying to
* load the a class through this loader.
*/
public AntClassLoader(ClassLoader parent, boolean parentFirst) {
@@ -375,10 +375,12 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Log a message through the project object if one has been provided.
* Logs a message through the project object if one has been provided.
*
* @param message the message to log
* @param priority the logging priority of the message
* @param message The message to log.
* Should not be <code>null</code>.
*
* @param priority The logging priority of the message.
*/
protected void log(String message, int priority) {
if (project != null) {
@@ -390,7 +392,7 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Set the current thread's context loader to this classloader, storing
* Sets the current thread's context loader to this classloader, storing
* the current loader value for later resetting.
*/
public void setThreadContextLoader() {
@@ -416,7 +418,7 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Reset the current thread's context loader to its original value.
* Resets the current thread's context loader to its original value.
*/
public void resetThreadContextLoader() {
if (isContextLoaderSaved &&
@@ -439,10 +441,13 @@ public class AntClassLoader extends ClassLoader implements BuildListener {


/**
* Add an element to the classpath to be searched.
* Adds an element to the classpath to be searched.
*
* @param pathElement the path element to add. Must not be
* @param pathElement The path element to add. Must not be
* <code>null</code>.
*
* @exception BuildException if the given path element cannot be resolved
* against the project.
*/
public void addPathElement(String pathElement) throws BuildException {
File pathComponent
@@ -452,12 +457,12 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Get the CLASSPATH this classloader will consult.
* Returns the classpath this classloader will consult.
*
* @return the classpath used for this classloader, with elements
* separated by the path separator for the system.
*/
public String getClasspath() {
public String getClasspath(){
StringBuffer sb = new StringBuffer();
boolean firstPass = true;
Enumeration enum = pathComponents.elements();
@@ -473,23 +478,24 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Set whether this classloader should run in isolated mode. In
* Sets whether this classloader should run in isolated mode. In
* isolated mode, classes not found on the given classpath will
* not be referred to the parent class loader but will cause a
* ClassNotFoundException.
*
* @param isolated whether this classloader should run in isolated mode
* or not.
* @param isolated Whether or not this classloader should run in
* isolated mode.
*/
public void setIsolated(boolean isolated) {
ignoreBase = isolated;
}

/**
* Force initialization of a class in a JDK 1.1 compatible, albeit hacky
* Forces initialization of a class in a JDK 1.1 compatible, albeit hacky
* way.
*
* @param theClass the class to initialize. Must not be <code>null</code>.
* @param theClass The class to initialize.
* Must not be <code>null</code>.
*/
public static void initializeClass(Class theClass) {
// ***HACK*** We ask the VM to create an instance
@@ -525,44 +531,45 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Add a package root to the list of packages which must be loaded on the
* Adds a package root to the list of packages which must be loaded on the
* parent loader.
*
* All subpackages are also included.
*
* @param packageRoot the root of all packages to be included. Should not
* be <code>null</code>.
* @param packageRoot The root of all packages to be included.
* Should not be <code>null</code>.
*/
public void addSystemPackageRoot(String packageRoot) {
systemPackages.addElement(packageRoot + ".");
}

/**
* Add a package root to the list of packages which must be loaded using
* Adds a package root to the list of packages which must be loaded using
* this loader.
*
* All subpackages are also included.
*
* @param packageRoot the root of all packages to be included. Should not
* be <code>null</code>.
* @param packageRoot The root of all packages to be included.
* Should not be <code>null</code>.
*/
public void addLoaderPackageRoot(String packageRoot) {
loaderPackages.addElement(packageRoot + ".");
}

/**
* Load a class through this class loader even if that class is available
* Loads a class through this class loader even if that class is available
* on the parent classpath.
*
* This ensures that any classes which are loaded by the returned class
* will use this classloader.
*
* @param classname the classname to be loaded. Must not be <code>null</code>.
* @param classname The name of the class to be loaded.
* Must not be <code>null</code>.
*
* @return the required Class object
*
* @exception ClassNotFoundException if the requested class does not exist
* on this loader's classpath.
* on this loader's classpath.
*/
public Class forceLoadClass(String classname) throws ClassNotFoundException {
log("force loading " + classname, Project.MSG_DEBUG);
@@ -577,15 +584,15 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Load a class through this class loader but defer to the parent class
* Loads a class through this class loader but defer to the parent class
* loader.
*
* This ensures that instances of the returned class will be compatible
* with instances which which have already been loaded on the parent
* loader.
*
* @param classname the classname to be loaded. Must not be
* <code>null</code>.
* @param classname The name of the class to be loaded.
* Must not be <code>null</code>.
*
* @return the required Class object
*
@@ -605,9 +612,9 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Get a stream to read the requested resource name.
* Returns a stream to read the requested resource name.
*
* @param name the name of the resource for which a stream is required.
* @param name The name of the resource for which a stream is required.
* Must not be <code>null</code>.
*
* @return a stream to the required resource or <code>null</code> if the
@@ -654,9 +661,9 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Get a stream to read the requested resource name from this loader.
* Returns a stream to read the requested resource name from this loader.
*
* @param name the name of the resource for which a stream is required.
* @param name The name of the resource for which a stream is required.
* Must not be <code>null</code>.
*
* @return a stream to the required resource or <code>null</code> if
@@ -675,14 +682,14 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Find a system resource (which should be loaded from the parent
* Finds a system resource (which should be loaded from the parent
* classloader).
*
* @param name the name of the system resource to load. Must not be
* <code>null</code>.
* @param name The name of the system resource to load.
* Must not be <code>null</code>.
*
* @return a stream to the named resource, or <code>null</code> if
* the resource cannot be found.
* the resource cannot be found.
*/
private InputStream loadBaseResource(String name) {
if (parent == null) {
@@ -694,16 +701,16 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Get an inputstream to a given resource in the given file which may
* Returns an inputstream to a given resource in the given file which may
* either be a directory or a zip file.
*
* @param file the file (directory or jar) in which to search for the
* resource. Must not be <code>null</code>.
* @param resourceName the name of the resource for which a stream is
* @param resourceName The name of the resource for which a stream is
* required. Must not be <code>null</code>.
*
* @return a stream to the required resource or <code>null</code> if
* the resource cannot be found in the given file.
* the resource cannot be found in the given file.
*/
private InputStream getResourceStream(File file, String resourceName) {
try {
@@ -740,16 +747,16 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Get whether or not the parent classloader should be checked for
* Tests whether or not the parent classloader should be checked for
* a resource before this one. If the resource matches both the
* "use parent classloader first" and the "use this classloader first"
* "use parent classloader first" and the "use this classloader first"
* lists, the latter takes priority.
*
* @param resourceName the name of the resource to check. Must not be
* <code>null</code>.
* @param resourceName The name of the resource to check.
* Must not be <code>null</code>.
*
* @return whether or not the parent classloader should be checked for a
* resource before this one is.
* resource before this one is.
*/
private boolean isParentFirst(String resourceName) {
// default to the global setting and then see
@@ -784,7 +791,7 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
* some data (images, audio, text, etc) that can be accessed by class
* code in a way that is independent of the location of the code.
*
* @param name the name of the resource for which a stream is required.
* @param name The name of the resource for which a stream is required.
* Must not be <code>null</code>.
*
* @return a URL for reading the resource, or <code>null</code> if the
@@ -838,9 +845,9 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
* Returns an enumeration of URLs representing all the resources with the
* given name by searching the class loader's classpath.
*
* @param name the resource name to search for. Must not be
* <code>null</code>.
* @return an enumeration of URLs for the resources.
* @param name The resource name to search for.
* Must not be <code>null</code>.
* @return an enumeration of URLs for the resources
* @exception IOException if I/O errors occurs (can't happen)
*/
protected Enumeration findResources(String name) throws IOException {
@@ -848,16 +855,16 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Get an inputstream to a given resource in the given file which may
* Returns an inputstream to a given resource in the given file which may
* either be a directory or a zip file.
*
* @param file the file (directory or jar) in which to search for
* @param file The file (directory or jar) in which to search for
* the resource. Must not be <code>null</code>.
* @param resourceName the name of the resource for which a stream
* @param resourceName The name of the resource for which a stream
* is required. Must not be <code>null</code>.
*
* @return a stream to the required resource or <code>null</code> if the
* resource cannot be found in the given file object
* resource cannot be found in the given file object.
*/
private URL getResourceURL(File file, String resourceName) {
try {
@@ -901,7 +908,7 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Load a class with this class loader.
* Loads a class with this class loader.
*
* This class attempts to load the class in an order determined by whether
* or not the class matches the system/loader package lists, with the
@@ -909,7 +916,7 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
* mode, failure to load the class in this loader will result in a
* ClassNotFoundException.
*
* @param classname the name of the class to be loaded.
* @param classname The name of the class to be loaded.
* Must not be <code>null</code>.
* @param resolve <code>true</code> if all classes upon which this class
* depends are to be loaded.
@@ -959,10 +966,10 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Convert the class dot notation to a filesystem equivalent for
* Converts the class dot notation to a filesystem equivalent for
* searching purposes.
*
* @param classname the class name in dot format (eg java.lang.Integer).
* @param classname The class name in dot format (eg java.lang.Integer).
* Must not be <code>null</code>.
*
* @return the classname in filesystem format (eg java/lang/Integer.class)
@@ -972,12 +979,12 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Read a class definition from a stream.
* Reads a class definition from a stream.
*
* @param stream the stream from which the class is to be read.
* Must not be <code>null</code>.
* @param classname the class name of the class in the stream.
* @param stream The stream from which the class is to be read.
* Must not be <code>null</code>.
* @param classname The name of the class in the stream.
* Must not be <code>null</code>.
*
* @return the Class object read from the stream.
*
@@ -1027,15 +1034,15 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Search for and load a class on the classpath of this class loader.
* Searches for and load a class on the classpath of this class loader.
*
* @param name the name of the class to be loaded. Must not be
* @param name The name of the class to be loaded. Must not be
* <code>null</code>.
*
* @return the required Class object
*
* @exception ClassNotFoundException if the requested class does not exist
* on this loader's classpath.
* on this loader's classpath.
*/
public Class findClass(String name) throws ClassNotFoundException {
log("Finding class " + name, Project.MSG_DEBUG);
@@ -1045,9 +1052,9 @@ public class AntClassLoader extends ClassLoader implements BuildListener {


/**
* Find a class on the given classpath.
* Finds a class on the given classpath.
*
* @param name the name of the class to be loaded. Must not be
* @param name The name of the class to be loaded. Must not be
* <code>null</code>.
*
* @return the required Class object
@@ -1088,14 +1095,14 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Find a system class (which should be loaded from the same classloader
* Finds a system class (which should be loaded from the same classloader
* as the Ant core).
*
* For JDK 1.1 compatability, this uses the findSystemClass method if
* no parent classloader has been specified.
*
* @param name the name of the class to be loaded. Must not be
* <code>null</code>.
* @param name The name of the class to be loaded.
* Must not be <code>null</code>.
*
* @return the required Class object
*
@@ -1112,7 +1119,7 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Clean up any resources held by this classloader. Any open archive
* Cleans up any resources held by this classloader. Any open archive
* files are closed.
*/
public void cleanup() {
@@ -1137,7 +1144,7 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
}

/**
* Clean up any resources held by this classloader at the end
* Cleans up any resources held by this classloader at the end
* of a build.
*/
public void buildFinished(BuildEvent event) {


+ 21
- 18
src/main/org/apache/tools/ant/DemuxOutputStream.java View File

@@ -70,46 +70,47 @@ import java.util.Hashtable;
public class DemuxOutputStream extends OutputStream {

/**
* A data class to store information about a buffer. Such informatio
* A data class to store information about a buffer. Such information
* is stored on a per-thread basis.
*/
private static class BufferInfo {
/**
* The per-thread output stream
* The per-thread output stream.
*/
private ByteArrayOutputStream buffer;
/**
* Whether the next line-terminator should be skipped in terms
* of processing the buffer or not. Used to avoid \r\n invoking
* Whether or not the next line-terminator should be skipped in terms
* of processing the buffer. Used to avoid \r\n invoking
* processBuffer twice.
*/
private boolean skip = false;
}
/** Maximum buffer size */
/** Maximum buffer size. */
private final static int MAX_SIZE = 1024;
/** Mapping from thread to buffer (Thread to BufferInfo) */
/** Mapping from thread to buffer (Thread to BufferInfo). */
private Hashtable buffers = new Hashtable();

/**
* The project to send output to
* The project to send output to.
*/
private Project project;

/**
* Whether or not this stream represents an error stream
* Whether or not this stream represents an error stream.
*/
private boolean isErrorStream;
/**
* Creates a new instance of this class.
*
* @param project the project instance for which output is being
* demultiplexed.
* @param isErrorStream true if this is the error string, otherwise
* a normal output stream. This is passed to the project so it knows
* which stream it is receiving.
* @param project The project instance for which output is being
* demultiplexed. Must not be <code>null</code>.
* @param isErrorStream <code>true</code> if this is the error string,
* otherwise a normal output stream. This is
* passed to the project so it knows
* which stream it is receiving.
*/
public DemuxOutputStream(Project project, boolean isErrorStream) {
this.project = project;
@@ -119,7 +120,7 @@ public class DemuxOutputStream extends OutputStream {
/**
* Returns the buffer associated with the current thread.
*
* @return a ByteArrayOutputStream for the current thread to write data to
* @return a BufferInfo for the current thread to write data to
*/
private BufferInfo getBufferInfo() {
Thread current = Thread.currentThread();
@@ -165,13 +166,13 @@ public class DemuxOutputStream extends OutputStream {
bufferInfo.skip = (c == '\r');
}


/**
* Converts the buffer to a string and sends it to
* {@link Project#demuxOutput(String,boolean) Project.demuxOutput}.
* Converts the buffer to a string and sends it to the project.
*
* @param buffer the ByteArrayOutputStream used to collect the output
* until a line separator is seen.
*
* @see Project#demuxOutput(String,boolean)
*/
protected void processBuffer(ByteArrayOutputStream buffer) {
String output = buffer.toString();
@@ -180,9 +181,11 @@ public class DemuxOutputStream extends OutputStream {
}

/**
* Equivalent to calling {@link #flush flush} on the stream.
* Equivalent to flushing the stream.
*
* @exception IOException if there is a problem closing the stream.
*
* @see #flush
*/
public void close() throws IOException {
flush();


+ 4
- 0
src/main/org/apache/tools/ant/IntrospectionHelper.java View File

@@ -384,6 +384,10 @@ public class IntrospectionHelper implements BuildListener {
* @param value The value to set the attribute to. This may be interpreted
* or converted to the necessary type if the setter method
* doesn't just take a string. Must not be <code>null</code>.
*
* @exception BuildException if the introspected class doesn't support
* the given attribute, or if the setting
* method fails.
*/
public void setAttribute(Project p, Object element, String attributeName,
String value)


+ 33
- 7
src/main/org/apache/tools/ant/Location.java View File

@@ -1,7 +1,7 @@
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* Copyright (c) 2000,2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -55,13 +55,20 @@
package org.apache.tools.ant;

/**
* Stores the file name and line number in a file.
* Stores the location of a piece of text within a file (file name,
* line number and column number). Note that the column number is
* currently ignored.
*/
public class Location {
/** Name of the file. */
private String fileName;
/** Line number within the file. */
private int lineNumber;
/** Column number within the file. */
private int columnNumber;

/** Location to use when one is needed but no information is available */
public final static Location UNKNOWN_LOCATION = new Location();

/**
@@ -72,14 +79,28 @@ public class Location {
}

/**
* Creates a location consisting of a file name but no line number.
* Creates a location consisting of a file name but no line number or
* column number.
*
* @param fileName The name of the file. May be <code>null</code>,
* in which case the location is equivalent to
* {@link #UNKNOWN_LOCATION UNKNOWN_LOCATION}.
*/
public Location(String fileName) {
this(fileName, 0, 0);
}

/**
* Creates a location consisting of a file name and line number.
* Creates a location consisting of a file name, line number and
* column number.
*
* @param fileName The name of the file. May be <code>null</code>,
* in which case the location is equivalent to
* {@link #UNKNOWN_LOCATION UNKNOWN_LOCATION}.
*
* @param lineNumber Line number within the file. Use 0 for unknown
* positions within a file.
* @param columnNumber Column number within the line.
*/
public Location(String fileName, int lineNumber, int columnNumber) {
this.fileName = fileName;
@@ -88,9 +109,14 @@ public class Location {
}

/**
* Returns the file name, line number and a trailing space. An error
* message can be appended easily. For unknown locations, returns
* an empty string.
* Returns the file name, line number, a colon and a trailing space.
* An error message can be appended easily. For unknown locations, an
* empty string is returned.
*
* @return a String of the form <code>"fileName: lineNumber: "</code>
* if both file name and line number are known,
* <code>"fileName: "</code> if only the file name is known,
* and the empty string for unknown locations.
*/
public String toString() {
StringBuffer buf = new StringBuffer();


+ 126
- 41
src/main/org/apache/tools/ant/Main.java View File

@@ -78,57 +78,63 @@ import java.util.Enumeration;
*/
public class Main {

/** The default build file name */
/** The default build file name. */
public final static String DEFAULT_BUILD_FILENAME = "build.xml";

/** Our current message output status. Follows Project.MSG_XXX */
/** Our current message output status. Follows Project.MSG_XXX. */
private int msgOutputLevel = Project.MSG_INFO;

/** File that we are using for configuration */
private File buildFile; /** null */
/** File that we are using for configuration. */
private File buildFile; /* null */

/** Stream that we are using for logging */
/** Stream to use for logging. */
private PrintStream out = System.out;

/** Stream that we are using for logging error messages */
/** Stream that we are using for logging error messages. */
private PrintStream err = System.err;

/** The build targets */
/** The build targets. */
private Vector targets = new Vector(5);

/** Set of properties that can be used by tasks */
/** Set of properties that can be used by tasks. */
private Properties definedProps = new Properties();

/** Names of classes to add as listeners to project */
/** Names of classes to add as listeners to project. */
private Vector listeners = new Vector(5);
/** File names of property files to load on startup */
/** File names of property files to load on startup. */
private Vector propertyFiles = new Vector(5);
/**
* The Ant logger class. There may be only one logger. It will have the
* right to use the 'out' PrintStream. The class must implements the BuildLogger
* interface
* The Ant logger class. There may be only one logger. It will have
* the right to use the 'out' PrintStream. The class must implements the
* BuildLogger interface.
*/
private String loggerClassname = null;

/**
* Indicates whether output to the log is to be unadorned.
* Whether or not output to the log is to be unadorned.
*/
private boolean emacsMode = false;

/**
* Indicates if this ant should be run.
* Whether or not this instance has successfully been
* constructed and is ready to run.
*/
private boolean readyToRun = false;

/**
* Indicates we should only parse and display the project help information
* Whether or not we should only parse and display the project help
* information.
*/
private boolean projectHelp = false;

/**
* Prints the message of the Throwable if it's not null.
* Prints the message of the Throwable if it (the message) is not
* <code>null</code>.
*
* @param t Throwable to print the message of.
* Must not be <code>null</code>.
*/
private static void printMessage(Throwable t) {
String message = t.getMessage();
@@ -138,7 +144,16 @@ public class Main {
}

/**
* Entry point method.
* Creates a new instance of this class using the
* arguments specified, gives it any extra user properties which have been
* specified, and then runs the build using the classloader provided.
*
* @param args Command line arguments. Must not be <code>null</code>.
* @param additionalUserProperties Any extra properties to use in this
* build. May be <code>null</code>, which is the equivalent to
* passing in an empty set of properties.
* @param coreLoader Classloader used for core classes. May be
* <code>null</code> in which case the system classloader is used.
*/
public static void start(String[] args, Properties additionalUserProperties,
ClassLoader coreLoader) {
@@ -173,20 +188,31 @@ public class Main {
System.exit(1);
}
}
/**
* Command line entry point. This method kicks off the building
* of a project object and executes a build using either a given
* target or the default target.
*
* @param args Command line args.
* @param args Command line arguments. Must not be <code>null</code>.
*/
public static void main(String[] args) {
start(args, null, null);
}

// XXX: (Jon Skeet) Error handling appears to be inconsistent here.
// Sometimes there's just a return statement, and sometimes a
// BuildException is thrown. What's the rationale for when to do
// what?
/**
* Sole constructor, which parses and deals with command line
* arguments.
*
* @param args Command line arguments. Must not be <code>null</code>.
*
* @exception BuildException if the specified build file doesn't exist
* or is a directory.
*/
protected Main(String[] args) throws BuildException {

String searchForThis = null;
@@ -253,7 +279,7 @@ public class Main {

/* Interestingly enough, we get to here when a user
* uses -Dname=value. However, in some cases, the JDK
* goes ahead * and parses this out to args
* goes ahead and parses this out to args
* {"-Dname", "value"}
* so instead of parsing on "=", we just make the "-D"
* characters go away and skip one argument forward.
@@ -383,10 +409,10 @@ public class Main {

/**
* Helper to get the parent file for a given file.
* <p>
* Added to simulate File.getParentFile() from JDK 1.2.
*
* <P>Added to simulate File.getParentFile() from JDK 1.2.
*
* @param file File
* @param file File to find parent of. Must not be <code>null</code>.
* @return Parent file or null if none
*/
private File getParentFile(File file) {
@@ -403,16 +429,20 @@ public class Main {

/**
* Search parent directories for the build file.
* <p>
* Takes the given target as a suffix to append to each
* parent directory in seach of a build file. Once the
* root of the file-system has been reached an exception
* is thrown.
*
* <P>Takes the given target as a suffix to append to each
* parent directory in seach of a build file. Once the
* root of the file-system has been reached an exception
* is thrown.
*
* @param suffix Suffix filename to look for in parents.
* @return A handle to the build file
* @param start Leaf directory of search.
* Must not be <code>null</code>.
* @param suffix Suffix filename to look for in parents.
* Must not be <code>null</code>.
*
* @return A handle to the build file if one is found
*
* @exception BuildException Failed to locate a build file
* @exception BuildException if no build file is found
*/
private File findBuildFile(String start, String suffix) throws BuildException {
if (msgOutputLevel >= Project.MSG_INFO) {
@@ -441,7 +471,15 @@ public class Main {
}

/**
* Executes the build.
* Executes the build. If the constructor for this instance failed
* (e.g. returned after issuing a warning), this method returns
* immediately.
*
* @param coreLoader The classloader to use to find core classes.
* May be <code>null</code>, in which case the
* system classloader is used.
*
* @exception BuildException if the build fails
*/
private void runBuild(ClassLoader coreLoader) throws BuildException {

@@ -552,6 +590,13 @@ public class Main {
}
}

/**
* Adds the listeners specified in the command line arguments,
* along with the default listener, to the specified project.
*
* @param project The project to add listeners to.
* Must not be <code>null</code>.
*/
protected void addBuildListeners(Project project) {

// Add the default listener
@@ -570,6 +615,10 @@ public class Main {
}
}

// XXX: (Jon Skeet) Any reason for writing a message and then using a bare
// RuntimeException rather than just using a BuildException here? Is it
// in case the message could end up being written to no loggers (as the loggers
// could have failed to be created due to this failure)?
/**
* Creates the default build logger for sending build events to the ant log.
*/
@@ -603,7 +652,7 @@ public class Main {
}

/**
* Prints the usage of how to use this class to System.out
* Prints the usage information for this class to <code>System.out</code>.
*/
private static void printUsage() {
String lSep = System.getProperty("line.separator");
@@ -629,12 +678,30 @@ public class Main {
System.out.println(msg.toString());
}

/**
* Prints the Ant version information to <code>System.out</code>.
*
* @exception BuildException if the version information is unavailable
*/
private static void printVersion() throws BuildException {
System.out.println(getAntVersion());
}

/**
* Cache of the Ant version information when it has been loaded.
*/
private static String antVersion = null;

/**
* Returns the Ant version information, if available. Once the information
* has been loaded once, it's cached and returned from the cache on future
* calls.
*
* @return the Ant version information as a String
* (always non-<code>null</code>)
*
* @exception BuildException if the version information is unavailable
*/
public static synchronized String getAntVersion() throws BuildException {
if (antVersion == null) {
try {
@@ -662,7 +729,11 @@ public class Main {
}

/**
* Print the project description, if any
* Prints the description of a project (if there is one) to
* <code>System.out</code>.
*
* @param project The project to display a description of.
* Must not be <code>null</code>.
*/
private static void printDescription(Project project) {
if (project.getDescription() != null) {
@@ -671,7 +742,13 @@ public class Main {
}

/**
* Print out a list of all targets in the current buildfile
* Prints a list of all targets in the specified project to
* <code>System.out</code>, optionally including subtargets.
*
* @param project The project to display a description of.
* Must not be <code>null</code>.
* @param printSubTargets Whether or not subtarget names should also be
* printed.
*/
private static void printTargets(Project project, boolean printSubTargets) {
// find the target with the longest name
@@ -717,7 +794,14 @@ public class Main {
}

/**
* Search for the insert position to keep names a sorted list of Strings
* Searches for the correct place to insert a name into a list so as
* to keep the list sorted alphabetically.
*
* @param names The current list of names. Must not be <code>null</code>.
* @param name The name to find a place for.
* Must not be <code>null</code>.
*
* @return the correct place in the list for the given name
*/
private static int findTargetPosition(Vector names, String name) {
int res = names.size();
@@ -730,7 +814,8 @@ public class Main {
}

/**
* Output a formatted list of target names with an optional description
* Writes a formatted list of target names to <code>System.out</code>
* with an optional description
*/
private static void printTargets(Vector names, Vector descriptions, String heading, int maxlen) {
// now, start printing the targets and their descriptions


+ 29
- 1
src/main/org/apache/tools/ant/NoBannerLogger.java View File

@@ -1,7 +1,7 @@
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2001 The Apache Software Foundation. All rights
* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -63,16 +63,44 @@ import org.apache.tools.ant.util.StringUtils;
*/
public class NoBannerLogger extends DefaultLogger {

/**
* Name of the current target, if it should
* be displayed on the next message. This is
* set when a target starts building, and reset
* to <code>null</code> after the first message for
* the target is logged.
*/
protected String targetName;

/** Sole constructor. */
public NoBannerLogger() {
}

/**
* Notes the name of the target so it can be logged
* if it generates any messages.
*
* @param event A BuildEvent containing target information.
* Must not be <code>null</code>.
*/
public void targetStarted(BuildEvent event) {
targetName = event.getTarget().getName();
}

/** Resets the current target name to <code>null</code>. */
public void targetFinished(BuildEvent event) {
targetName = null;
}

/**
* Logs a message for a target if it is of an appropriate
* priority, also logging the name of the target if this
* is the first message which needs to be logged for the
* target.
*
* @param event A BuildEvent containing message information.
* Must not be <code>null</code>.
*/
public void messageLogged(BuildEvent event) {

if( event.getPriority() > msgOutputLevel ||


+ 27
- 5
src/main/org/apache/tools/ant/PathTokenizer.java View File

@@ -1,7 +1,7 @@
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* Copyright (c) 2000,2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -62,7 +62,7 @@ import java.io.File;
* that path.
*
* The path can use path separators of either ':' or ';' and file separators
* of either '/' or '\'
* of either '/' or '\'.
*
* @author Conor MacNeill (conor@ieee.org)
*
@@ -74,21 +74,35 @@ public class PathTokenizer {
private StringTokenizer tokenizer;
/**
* A String which stores any path components which have been read ahead.
* A String which stores any path components which have been read ahead
* due to DOS filesystem compensation.
*/
private String lookahead = null;

/**
* Flag to indicate whether we are running on a platform with a DOS style
* filesystem
* Flag to indicate whether or not we are running on a platform with a
* DOS style filesystem
*/
private boolean dosStyleFilesystem;

/**
* Constructs a path tokenizer for the specified path.
*
* @param path The path to tokenize. Must not be <code>null</code>.
*/
public PathTokenizer(String path) {
tokenizer = new StringTokenizer(path, ":;", false);
dosStyleFilesystem = File.pathSeparatorChar == ';';
}

/**
* Tests if there are more path elements available from this tokenizer's
* path. If this method returns <code>true</code>, then a subsequent call
* to nextToken will successfully return a token.
*
* @return <code>true</code> if and only if there is at least one token
* in the string after the current position; <code>false</code> otherwise.
*/
public boolean hasMoreTokens() {
if (lookahead != null) {
return true;
@@ -97,6 +111,14 @@ public class PathTokenizer {
return tokenizer.hasMoreTokens();
}
/**
* Returns the next path element from this tokenizer.
*
* @return the next path element from this tokenizer.
*
* @exception NoSuchElementException if there are no more elements in this
* tokenizer's path.
*/
public String nextToken() throws NoSuchElementException {
String token = null;
if (lookahead != null) {


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