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/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 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.taskdefs.compilers;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.Project;
/**
* Creates the necessary compiler adapter, given basic criteria.
*
* @author <a href="mailto:jayglanville@home.com">J D Glanville</a>
*/
public class CompilerAdapterFactory {
/** This is a singlton -- can't create instances!! */
private CompilerAdapterFactory() {
}
/**
* Based on the parameter passed in, this method creates the necessary
* factory desired.
*
* The current mapping for compiler names are as follows:
* <ul><li>jikes = jikes compiler
* <li>classic, javac1.1, javac1.2 = the standard compiler from JDK
* 1.1/1.2
* <li>modern, javac1.3 = the new compiler of JDK 1.3
* <li>jvc, microsoft = the command line compiler from Microsoft's SDK
* for Java / Visual J++
* <li>kjc = the kopi compiler</li>
* <li>gcj = the gcj compiler from gcc</li>
* <li><i>a fully quallified classname</i> = the name of a compiler
* adapter
* </ul>
*
* @param compilerType either the name of the desired compiler, or the
* full classname of the compiler's adapter.
* @param task a task to log through.
* @throws BuildException if the compiler type could not be resolved into
* a compiler adapter.
*/
public static CompilerAdapter getCompiler( String compilerType, Task task )
throws BuildException {
/* If I've done things right, this should be the extent of the
* conditional statements required.
*/
if ( compilerType.equalsIgnoreCase("jikes") ) {
return new Jikes();
}
if ( compilerType.equalsIgnoreCase("extJavac") ) {
return new JavacExternal();
}
if ( compilerType.equalsIgnoreCase("classic") ||
compilerType.equalsIgnoreCase("javac1.1") ||
compilerType.equalsIgnoreCase("javac1.2")) {
return new Javac12();
}
if ( compilerType.equalsIgnoreCase("modern") ||
compilerType.equalsIgnoreCase("javac1.3") ||
compilerType.equalsIgnoreCase("javac1.4")) {
// does the modern compiler exist?
try {
Class.forName("com.sun.tools.javac.Main");
} catch (ClassNotFoundException cnfe) {
task.log("Modern compiler is not available - using "
+ "classic compiler", Project.MSG_WARN);
return new Javac12();
}
return new Javac13();
}
if ( compilerType.equalsIgnoreCase("jvc") ||
compilerType.equalsIgnoreCase("microsoft")) {
return new Jvc();
}
if ( compilerType.equalsIgnoreCase("kjc") ) {
return new Kjc();
}
if ( compilerType.equalsIgnoreCase("gcj") ) {
return new Gcj();
}
if (compilerType.equalsIgnoreCase("sj") ||
compilerType.equalsIgnoreCase("symantec")) {
return new Sj();
}
return resolveClassName( compilerType );
}
/**
* Tries to resolve the given classname into a compiler adapter.
* Throws a fit if it can't.
*
* @param className The fully qualified classname to be created.
* @throws BuildException This is the fit that is thrown if className
* isn't an instance of CompilerAdapter.
*/
private static CompilerAdapter resolveClassName( String className )
throws BuildException {
try {
Class c = Class.forName( className );
Object o = c.newInstance();
return (CompilerAdapter) o;
} catch ( ClassNotFoundException cnfe ) {
throw new BuildException( className + " can\'t be found.", cnfe );
} catch ( ClassCastException cce ) {
throw new BuildException(className + " isn\'t the classname of "
+ "a compiler adapter.", cce);
} catch ( Throwable t ) {
// for all other possibilities
throw new BuildException(className + " caused an interesting "
+ "exception.", t);
}
}
}