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/*
* Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.javac.main;
import com.sun.tools.javac.util.Log;
import com.sun.tools.javac.util.Log.PrefixKind;
import java.io.File;
/**
* Helper object to be used by {@link Option#process}, providing access to
* the compilation environment.
*
* This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own
* risk. This code and its internal interfaces are subject to change
* or deletion without notice.
*/
public abstract class OptionHelper {
/** Get the current value of an option. */
public abstract String get(Option option);
/** Set the value of an option. */
public abstract void put(String name, String value);
/** Remove any prior value for an option. */
public abstract void remove(String name);
/** Get access to the Log for the compilation. */
public abstract Log getLog();
/** Get the name of the tool, such as "javac", to be used in info like -help. */
public abstract String getOwnName();
/** Report an error. */
abstract void error(String key, Object... args);
/** Record a file to be compiled. */
abstract void addFile(File f);
/** Record the name of a class for annotation processing. */
abstract void addClassName(String s);
/** An implementation of OptionHelper that mostly throws exceptions. */
public static class GrumpyHelper extends OptionHelper {
private final Log log;
public GrumpyHelper(Log log) {
this.log = log;
}
@Override
public Log getLog() {
return log;
}
@Override
public String getOwnName() {
throw new IllegalStateException();
}
@Override
public String get(Option option) {
throw new IllegalArgumentException();
}
@Override
public void put(String name, String value) {
throw new IllegalArgumentException();
}
@Override
public void remove(String name) {
throw new IllegalArgumentException();
}
@Override
void error(String key, Object... args) {
throw new IllegalArgumentException(log.localize(PrefixKind.JAVAC, key, args));
}
@Override
public void addFile(File f) {
throw new IllegalArgumentException(f.getPath());
}
@Override
public void addClassName(String s) {
throw new IllegalArgumentException(s);
}
}
}