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AspectJ tools most notably contains the AspectJ compiler (AJC). AJC applies aspects to Java classes during
compilation, fully replacing Javac for plain Java classes and also compiling native AspectJ or annotation-based
@AspectJ syntax. Furthermore, AJC can weave aspects into existing class files in a post-compile binary weaving step.
This library is a superset of AspectJ weaver and hence also of AspectJ runtime.
/* *******************************************************************
* Copyright (c) 2000-2001 Xerox Corporation.
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v 2.0
* which accompanies this distribution and is available at
* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
*
* Contributors:
* Xerox/PARC initial implementation
* ******************************************************************/
package org.aspectj.tools.ant.taskdefs;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.taskdefs.Javac;
import org.apache.tools.ant.taskdefs.compilers.CompilerAdapter;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.types.Path;
import java.io.File;
/**
* Partial implementation of CompilerAdapter for ajc task.
* The Javac interface does not support argfiles which are
* typically necessary to compile under ajc, so this
* implementation is not documented, recommended, or supported.
* See Apache request for enhancement
*
* 7542.
* @see CompilerAdapter
*/
public class AjcCompilerAdapter implements CompilerAdapter {
// Cannot extend Ajc because CompilerAdapter.execute() returns boolean.
Ajc10 ajc = null;
/** @see CompilerAdapter */
public void setJavac(Javac javac) {
if (null == javac) {
throw new IllegalArgumentException("null javac");
}
Task task = javac.getProject().createTask("ajc");
String err = null;
if (null == task) {
err = "ajc not defined - put ajc taskdef library on classpath";
} else if (!(task instanceof Ajc10)) {
String name = task.getClass().getName();
err = "Wrong class for Ajc task - ";
if (name.equals(Ajc10.class.getName())) {
err = err + "second class loader - put ajc taskdef library "
+ "only on system classpath via ant/lib";
} else {
err = err + name;
}
}
if (null != err) {
throw new Error(err);
}
Ajc10 tempAjc = (Ajc10) task;
Path srcDir = javac.getSrcdir();
if (null != srcDir) {
tempAjc.setSrcdir(srcDir);
}
File destDir = javac.getDestdir();
if (null != destDir) {
tempAjc.setDestdir(destDir.getPath());
}
Path classpath = javac.getClasspath();
if (null != classpath) {
tempAjc.setClasspath(classpath);
}
Path bootclasspath = javac.getBootclasspath();
if (null != bootclasspath) {
tempAjc.setBootclasspath(bootclasspath);
}
Path extDirs = javac.getExtdirs();
if (null != extDirs) {
tempAjc.setExtdirs(extDirs);
}
tempAjc.setFailonerror(javac.getFailonerror());
tempAjc.setDeprecation(javac.getDeprecation()); // XXX unsupported
tempAjc.setEncoding(javac.getEncoding());
tempAjc.setDebug(javac.getDebug()); // XXX unsupported
tempAjc.setOptimize(javac.getOptimize()); // XXX unsupported
tempAjc.setDepend(javac.getDepend()?"on":"off"); // XXX unsupported
tempAjc.setVerbose(javac.getVerbose());
String target = javac.getTarget();
if (null != target) {
tempAjc.setTarget(target);
}
tempAjc.setIncludeantruntime(javac.getIncludeantruntime()); // XXX unsupported
File[] files = javac.getFileList();
if (null != files) {
for (File file : files) {
tempAjc.backdoorSetFile(file);
}
}
ajc = tempAjc;
}
/**
* Run the compiler.
* @see CompilerAdapter#execute()
* @throws BuildException if setJavac(Javac) was not called before each call of this
*/
public boolean execute() throws BuildException {
if (null == ajc) {
throw new BuildException("setJavac(Javac) not completed");
}
ajc.execute();
ajc = null; // enforce one-shot
return true;
}
}