@@ -72,11 +72,14 @@ import java.util.*;
public class Main {
/** The default build file name */
public static final String DEFAULT_BUILD_FILENAME = "build.xml";
/** 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 = new File("build.xml");
private File buildFile; /** null */
/** Stream that we are using for logging */
private PrintStream out = System.out;
@@ -128,6 +131,7 @@ public class Main {
System.exit(0);
}
catch(Throwable exc) {
System.err.println(exc.getMessage());
System.exit(1);
}
}
@@ -150,6 +154,9 @@ public class Main {
} else if (arg.equals("-verbose") || arg.equals("-v")) {
printVersion();
msgOutputLevel = Project.MSG_VERBOSE;
} else if (arg.equals("-debug")) {
printVersion();
msgOutputLevel = Project.MSG_DEBUG;
} else if (arg.equals("-logfile") || arg.equals("-l")) {
try {
File logFile = new File(args[i+1]);
@@ -236,8 +243,13 @@ public class Main {
}
// make sure buildfile exists
// if buildFile was not specified on the command line,
// then search for it
if (buildFile == null) {
buildFile = findBuildFile(DEFAULT_BUILD_FILENAME);
}
// make sure buildfile exists
if (!buildFile.exists()) {
System.out.println("Buildfile: " + buildFile + " does not exist!");
throw new BuildException("Build failed");
@@ -254,6 +266,77 @@ public class Main {
readyToRun = true;
}
/**
* Helper to get the parent file for a given filename.
*
* <P>Added to simulate File.getParentFile() from JDK 1.2.
*
* @param filename File name
* @return Parent file or null if none
*/
private File getParentFile(String filename) {
return getParentFile(new File(filename));
}
/**
* Helper to get the parent file for a given file.
*
* <P>Added to simulate File.getParentFile() from JDK 1.2.
*
* @param file File
* @return Parent file or null if none
*/
private File getParentFile(File file) {
String filename = file.getAbsolutePath();
file = new File(filename);
filename = file.getParent();
if (filename != null && msgOutputLevel >= Project.MSG_VERBOSE) {
System.out.println("Searching in "+filename);
}
return (filename == null) ? null : new File(filename);
}
/**
* 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.
*
* @param suffix Suffix filename to look for in parents.
* @return A handle to the build file
*
* @exception BuildException Failed to locate a build file
*/
private File findBuildFile(String suffix) throws BuildException {
if (msgOutputLevel >= Project.MSG_INFO) {
System.out.println("Searching for " + suffix + " ...");
}
File parent = getParentFile(suffix);
File file = new File(parent, suffix);
// check if the target file exists in the current directory
while (!file.exists()) {
// change to parent directory
parent = getParentFile(parent);
// if parent is null, then we are at the root of the fs,
// complain that we can't find the build file.
if (parent == null) {
throw new BuildException("Could not locate a build file!");
}
// refresh our file handle
file = new File(parent, suffix);
}
return file;
}
/**
* Executes the build.
*/
@@ -390,6 +473,7 @@ public class Main {
msg.append(" -version print the version information and exit" + lSep);
msg.append(" -quiet be extra quiet" + lSep);
msg.append(" -verbose be extra verbose" + lSep);
msg.append(" -debug print debugging information" + lSep);
msg.append(" -emacs produce logging information without adornments" + lSep);
msg.append(" -logfile <file> use given file for log" + lSep);
msg.append(" -logger <classname> the class which is to perform logging" + lSep);
Stefan Bodewig