Browse Source

Moved the embed proposal, use a 'normal' hierarchy and build system.

Added a small test file - JXPath is not working yet with systemPath


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@273171 13f79535-47bb-0310-9956-ffa450edef68
master
Costin Manolache 23 years ago
parent
commit
f3fc0f6773
8 changed files with 1664 additions and 0 deletions
  1. +2
    -0
      proposal/embed/README
  2. +33
    -0
      proposal/embed/build.xml
  3. +1
    -0
      proposal/embed/src/java/META-INF/services/org.apache.tools.ant.ProjectHelper
  4. +219
    -0
      proposal/embed/src/java/org/apache/tools/ant/PropertyHelper.java
  5. +95
    -0
      proposal/embed/src/java/org/apache/tools/ant/PropertyInterceptor.java
  6. +270
    -0
      proposal/embed/src/java/org/apache/tools/ant/RuntimeConfigurable2.java
  7. +1017
    -0
      proposal/embed/src/java/org/apache/tools/ant/helper/ProjectHelperImpl2.java
  8. +27
    -0
      proposal/embed/test.xml

+ 2
- 0
proposal/embed/README View File

@@ -0,0 +1,2 @@
Copy the files in o.a.t.ant, recompile.


+ 33
- 0
proposal/embed/build.xml View File

@@ -0,0 +1,33 @@
<project name="embed" default="main" basedir=".">
<property name="ant.src" location="../.." />
<property name="commons.src" location="${ant.src}/../jakarta-commons" />

<property name="embed.build" location="build" />
<property name="debug" value="true"/>
<property name="jxpath.jar" location="${commons.src}/jxpath/dist/commons-jxpath.jar" />
<target name="main">
<mkdir dir="build/classes" />
<javac srcdir="src/java"
debug="${debug}"
destdir="${embed.build}/classes" >
<include name="**" />
<classpath>
<pathelement location="${jxpath.jar}" />
</classpath>
</javac>

<copy toDir="${embed.build}/classes">
<fileset dir="src/java" includes="META-INF/**" />
</copy>

<jar file="${embed.build}/ant-sax2.jar" basedir="${embed.build}/classes" >
<include name="**" />
</jar>
<copy file="${embed.build}/ant-sax2.jar" toDir="${ant.home}/lib"/>
</target>

</project>

+ 1
- 0
proposal/embed/src/java/META-INF/services/org.apache.tools.ant.ProjectHelper View File

@@ -0,0 +1 @@
org.apache.tools.ant.helper.ProjectHelperImpl2

+ 219
- 0
proposal/embed/src/java/org/apache/tools/ant/PropertyHelper.java View File

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/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/

package org.apache.tools.ant;

import org.apache.tools.ant.helper.*;
import java.util.Enumeration;
import java.util.Locale;
import java.util.Vector;
import java.util.Hashtable;
import org.xml.sax.AttributeList;
import org.xml.sax.Attributes;
import org.xml.sax.helpers.AttributeListImpl;
import org.xml.sax.helpers.AttributesImpl;

/**
* Deals with properties - substitution, dynamic properties, etc.
*
* Eventually the static methods from ProjectHelper should be
* moved here ( with a wrapper for backward compat ).
*
* Also the property store ( Hashtable ) and all property manipulation
* logic could be moved here.
*
* @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a>
* @author Costin Manolache
*/
public class PropertyHelper {
Project project;
Vector propertyInterceptors=new Vector();
protected PropertyHelper() {
}

public void setProject(Project p ) {
this.project=p;
}

/** Factory method to create a property processor.
* Right now returns the singleton instance of PropertyHelper,
* in future it may use discovery of config to return a
* customized version, for integration in other apps.
*/
public static PropertyHelper getPropertyHelper(Project project) {
PropertyHelper ph=(PropertyHelper)project.getReference( "ant.PropertyHelper" );
if( ph!=null ) return ph;
ph=new PropertyHelper();
ph.setProject( project );

project.addReference( "ant.PropertyHelper",ph );
return ph;
}
public void addPropertyInterceptor( PropertyInterceptor pi ) {
propertyInterceptors.addElement( pi );
}

// public Vector getPropertyInterceptors() {
// return propertyInterceptors;
// }
/** Process an value, doing the replacements.
*/
public String replaceProperties( String value ) {
if (value == null) {
return null;
}

Vector fragments = new Vector();
Vector propertyRefs = new Vector();

// XXX Move the static method here - if this is accepted in the main
// branch.
ProjectHelper.parsePropertyString(value, fragments, propertyRefs);

StringBuffer sb = new StringBuffer();
Enumeration i = fragments.elements();
Enumeration j = propertyRefs.elements();
while (i.hasMoreElements()) {
String fragment = (String) i.nextElement();
if (fragment == null) {
String propertyName = (String) j.nextElement();

Object repl=processDynamic( project, propertyName);

if( repl==null) {
// default to the static property.
repl=project.getProperty( propertyName );
}
if (repl==null ) {
project.log("Property ${" + propertyName
+ "} has not been set", Project.MSG_VERBOSE);
fragment="${" + propertyName + "}";
} else {
fragment = (String) repl;
}
}
sb.append(fragment);
}
return sb.toString();
}

/** Use the reference table to generate values for ${} substitution.
* To preserve backward compat ( as much as possible ) we'll only process
* ids with a 'namespace-like' syntax.
*
* Currently we support:
* dom:idName:/xpath/like/syntax - the referenced node must be a DOM, we'll use
* XPath to extract a node. ( a simplified syntax is handled
* directly, XXX used for 'real' xpaths ).
* toString:idName - we use toString on the referenced object
* bean:idName.propertyName - we get the idName and call the getter for the property.
*/
Object processDynamic( Project project, String name ) {
for(int i=0; i<propertyInterceptors.size(); i++ ) {
PropertyInterceptor pi=(PropertyInterceptor)propertyInterceptors.elementAt( i );
Object o=pi.getProperty( project, null, name );
if( o!=null )
return o;
}

// experimental - will be removed.
if( name.startsWith( "toString:" )) {
name=name.substring( "toString:".length());
Object v=project.getReference( name );
if( v==null ) return null;
return v.toString();
}

return null;
}

/** Configure a component using SAX2 attributes.
*/
public void configure( Object target, Attributes attrs, Project project )
throws BuildException
{
if (target instanceof TaskAdapter) {
target = ((TaskAdapter) target).getProxy();
}
IntrospectionHelper ih =
IntrospectionHelper.getHelper(target.getClass());
project.addBuildListener(ih);
for (int i = 0; i < attrs.getLength(); i++) {
// reflect these into the target
String value = replaceProperties(attrs.getValue(i));
try {
ih.setAttribute(project, target,
attrs.getQName(i).toLowerCase(Locale.US), value);
} catch (BuildException be) {
// id attribute must be set externally
if (!attrs.getQName(i).equals("id")) {
throw be;
}
}
}
}

}

+ 95
- 0
proposal/embed/src/java/org/apache/tools/ant/PropertyInterceptor.java View File

@@ -0,0 +1,95 @@
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/

package org.apache.tools.ant;

import org.apache.tools.ant.helper.*;
import java.util.Enumeration;
import java.util.Locale;
import java.util.Vector;
import java.util.Hashtable;
import org.xml.sax.AttributeList;
import org.xml.sax.Attributes;
import org.xml.sax.helpers.AttributeListImpl;
import org.xml.sax.helpers.AttributesImpl;

/**
* The new XML processor will use this interface to support
* dynamic properties.
*
* Any task/type that implements this interface will be registered
* and will receive notification of each property get operations
* executed by the processor.
*
* XXX In ant1.6+, tasks implementing the interface will also
* receive notification when a property is set.
*
* @author Costin Manolache
*/
public interface PropertyInterceptor {

/**
* Called for each ${} property. If the result is null the
* next PropertyInterceptor will be called. If all interceptors
* return null, the properties stored in Project are used.
*/
public Object getProperty( Project p, String ns, String name );

/**
* Called when a property/reference is recorded.
* XXX Not implemented yet.
*/
// public boolean setProperty( String ns, String name, Object value );

}

+ 270
- 0
proposal/embed/src/java/org/apache/tools/ant/RuntimeConfigurable2.java View File

@@ -0,0 +1,270 @@
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/

package org.apache.tools.ant;

import org.apache.tools.ant.helper.*;
import java.util.Enumeration;
import java.util.Locale;
import java.util.Vector;
import java.util.Hashtable;
import org.xml.sax.AttributeList;
import org.xml.sax.Attributes;
import org.xml.sax.helpers.AttributeListImpl;
import org.xml.sax.helpers.AttributesImpl;

/**
* Wrapper class that holds the attributes of an element, its children, and
* any text within it. It then takes care of configuring that element at
* runtime.
*
* This uses SAX2 and a more flexible substitution mechansim, based on
* o.a.tomcat.util.IntrospectionUtil.
*
* @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a>
* @author Costin Manolache
*/
public class RuntimeConfigurable2 extends RuntimeConfigurable {

/** Name of the element to configure. */
private String elementTag = null;
/** List of child element wrappers. */
private Vector children = new Vector();
/** The element to configure. */
private Object wrappedObject = null;
/** XML attributes for the element. */
private Attributes attributes;
/** Text appearing within the element. */
private StringBuffer characters = new StringBuffer();

/**
* Sole constructor creating a wrapper for the specified object.
*
* @param proxy The element to configure. Must not be <code>null</code>.
* @param elementTag The tag name generating this element.
* Should not be <code>null</code>.
*/
public RuntimeConfigurable2(Object proxy, String elementTag) {
super( proxy, elementTag );
wrappedObject = proxy;
this.elementTag = elementTag;
if( proxy instanceof Task )
((Task)proxy).setRuntimeConfigurableWrapper( this );
}

/**
* Sets the element to configure. This is used when the real type of
* an element isn't known at the time of wrapper creation.
*
* @param proxy The element to configure. Must not be <code>null</code>.
*/
public void setProxy(Object proxy) {
wrappedObject = proxy;
}

public Object getProxy() {
return wrappedObject;
}

/**
* Sets the attributes for the wrapped element.
*
* @param attributes List of attributes defined in the XML for this
* element. May be <code>null</code>.
* @deprecated It shouldn't be called by anyone except ProjectHelper
*/
public void setAttributes(AttributeList attributes) {
// this.attributes = new AttributeListImpl(attributes);
}

public void setAttributes2(Attributes attributes) {
this.attributes=new AttributesImpl( attributes );
}
/**
* Returns the list of attributes for the wrapped element.
*
* @return An AttributeList representing the attributes defined in the
* XML for this element. May be <code>null</code>.
* @deprecated only for bkwd compatibility
*/
public AttributeList getAttributes() {
return sax1Attributes( attributes );
}

public Attributes getAttributes2() {
return attributes;
}

public static AttributeList sax1Attributes( Attributes sax2Att ) {
AttributeListImpl sax1Att=new AttributeListImpl();
int length = sax2Att.getLength();
if (length > 0) {
for (int i = 0; i < length; i++) {
// System.out.println("Attributes: " + sax2Att.getQName(i) + " " +
// sax2Att.getValue(i));
sax1Att.addAttribute( sax2Att.getQName(i),
sax2Att.getType(i),
sax2Att.getValue(i));
}
}
return sax1Att;
}

/**
* Adds a child element to the wrapped element.
*
* @param child The child element wrapper to add to this one.
* Must not be <code>null</code>.
*/
public void addChild(RuntimeConfigurable child) {
children.addElement(child);
}

/**
* Returns the child wrapper at the specified position within the list.
*
* @param index The index of the child to return.
*
* @return The child wrapper at position <code>index</code> within the
* list.
*/
public RuntimeConfigurable getChild(int index) {
return (RuntimeConfigurable) children.elementAt(index);
}

/**
* Adds characters from #PCDATA areas to the wrapped element.
*
* @param data Text to add to the wrapped element.
* Should not be <code>null</code>.
*/
public void addText(String data) {
characters.append(data);
}

/**
* Adds characters from #PCDATA areas to the wrapped element.
*
* @param buf A character array of the text within the element.
* Must not be <code>null</code>.
* @param start The start element in the array.
* @param count The number of characters to read from the array.
*
*/
public void addText(char[] buf, int start, int count) {
addText(new String(buf, start, count));
}

/**
* Returns the tag name of the wrapped element.
*
* @return The tag name of the wrapped element. This is unlikely
* to be <code>null</code>, but may be.
*/
public String getElementTag() {
return elementTag;
}

/**
* Configures the wrapped element and all its children.
* The attributes and text for the wrapped element are configured,
* and then each child is configured and added. Each time the
* wrapper is configured, the attributes and text for it are
* reset.
*
* If the element has an <code>id</code> attribute, a reference
* is added to the project as well.
*
* @param p The project containing the wrapped element.
* Must not be <code>null</code>.
*
* @exception BuildException if the configuration fails, for instance due
* to invalid attributes or children, or text being added to
* an element which doesn't accept it.
*/
public void maybeConfigure(Project p) throws BuildException {
String id = null;

if (attributes != null) {
PropertyHelper ph=PropertyHelper.getPropertyHelper(p);
ph.configure(wrappedObject, attributes, p);
id = attributes.getValue("id");
attributes = null;
}
if (characters.length() != 0) {
ProjectHelper.addText(p, wrappedObject, characters.toString());
characters.setLength(0);
}
Enumeration enum = children.elements();
while (enum.hasMoreElements()) {
RuntimeConfigurable2 child
= (RuntimeConfigurable2) enum.nextElement();
if (child.wrappedObject instanceof Task) {
Task childTask = (Task) child.wrappedObject;
childTask.setRuntimeConfigurableWrapper(child);
childTask.maybeConfigure();
} else {
child.maybeConfigure(p);
}
ProjectHelper.storeChild(p, wrappedObject, child.wrappedObject,
child.getElementTag().toLowerCase(Locale.US));
}

if (id != null) {
p.addReference(id, wrappedObject);
}
}
}

+ 1017
- 0
proposal/embed/src/java/org/apache/tools/ant/helper/ProjectHelperImpl2.java
File diff suppressed because it is too large
View File


+ 27
- 0
proposal/embed/test.xml View File

@@ -0,0 +1,27 @@
<project name="embed-test" default="main" basedir=".">
<property name="ant.src" location="../.." />
<property name="junit.jar" location="${ant.src}/lib/junit.jar" />
<import file="build.xml" />


<target name="main" >
<antcall target="embed.main" />

<path id="myJars" >
<pathelement path="${junit.jar}" />
<pathelement path="${jxpath.jar}" />
</path>

<systemPath pathRef="myJars"/>

<junit id="replacedJunit" />
<echo message="toString sample: ${toString:replacedJunit}" />
<echo message="${jxpath.jar}" />

<jxpath/>
<echo message="jxPath sample: ${jxpath:/}" />
</target>

</project>

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