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JavaCompilerArgs.java
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JavaCompilerArgs.java
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/*
// Licensed to Julian Hyde under one or more contributor license
// agreements. See the NOTICE file distributed with this work for
// additional information regarding copyright ownership.
//
// Julian Hyde licenses this file to you under the Apache License,
// Version 2.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at:
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
*/
package org.eigenbase.javac;
import java.util.*;
/**
* A <code>JavaCompilerArgs</code> holds the arguments for a {@link
* JavaCompiler}.
*
* <p>Specific implementations of {@link JavaCompiler} may override <code>
* set<i>Argument</i></code> methods to store arguments in a different fashion,
* or may throw {@link UnsupportedOperationException} to indicate that the
* compiler does not support that argument.
*
* @author jhyde
* @version $Id$
* @since Jun 2, 2002
*/
public class JavaCompilerArgs
{
//~ Instance fields --------------------------------------------------------
List<String> argsList = new ArrayList<String>();
List<String> fileNameList = new ArrayList<String>();
ClassLoader classLoader;
//~ Constructors -----------------------------------------------------------
public JavaCompilerArgs()
{
classLoader = getClass().getClassLoader();
}
//~ Methods ----------------------------------------------------------------
public void clear()
{
fileNameList.clear();
}
/**
* Sets the arguments by parsing a standard java argument string.
*
* <p>A typical such string is <code>"-classpath <i>classpath</i> -d <i>
* dir</i> -verbose [<i>file</i>...]"</code>
*/
public void setString(String args)
{
List<String> list = new ArrayList<String>();
StringTokenizer tok = new StringTokenizer(args);
while (tok.hasMoreTokens()) {
list.add(tok.nextToken());
}
setStringArray(list.toArray(new String[list.size()]));
}
/**
* Sets the arguments by parsing a standard java argument string. A typical
* such string is <code>"-classpath <i>classpath</i> -d <i>dir</i> -verbose
* [<i>file</i>...]"</code>
*/
public void setStringArray(String [] args)
{
for (int i = 0; i < args.length; i++) {
String arg = args[i];
if (arg.equals("-classpath")) {
if (++i < args.length) {
setClasspath(args[i]);
}
} else if (arg.equals("-d")) {
if (++i < args.length) {
setDestdir(args[i]);
}
} else if (arg.equals("-verbose")) {
setVerbose(true);
} else {
argsList.add(args[i]);
}
}
}
public String [] getStringArray()
{
argsList.addAll(fileNameList);
return argsList.toArray(new String[argsList.size()]);
}
public void addFile(String fileName)
{
fileNameList.add(fileName);
}
public String [] getFileNames()
{
return fileNameList.toArray(new String[fileNameList.size()]);
}
public void setVerbose(boolean verbose)
{
if (verbose) {
argsList.add("-verbose");
}
}
public void setDestdir(String destdir)
{
argsList.add("-d");
argsList.add(destdir);
}
public void setClasspath(String classpath)
{
argsList.add("-classpath");
argsList.add(classpath);
}
public void setDebugInfo(int i)
{
if (i > 0) {
argsList.add("-g=" + i);
}
}
/**
* Sets the source code (that is, the full java program, generally starting
* with something like "package com.foo.bar;") and the file name.
*
* <p>This method is optional. It only works if the compiler supports
* in-memory compilation. If this compiler does not return in-memory
* compilation (which the base class does not), {@link #supportsSetSource}
* returns false, and this method throws {@link
* UnsupportedOperationException}.
*/
public void setSource(String source, String fileName)
{
throw new UnsupportedOperationException();
}
/**
* Returns whether {@link #setSource} will work.
*/
public boolean supportsSetSource()
{
return false;
}
public void setFullClassName(String fullClassName)
{
// NOTE jvs 28-June-2004: I added this in order to support Janino's
// JavaSourceClassLoader, which needs it. Non-Farrago users
// don't need to call this method.
}
public void setClassLoader(ClassLoader classLoader)
{
this.classLoader = classLoader;
}
public ClassLoader getClassLoader()
{
return classLoader;
}
}
// End JavaCompilerArgs.java