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/*
 * Copyright  2001-2005 The Apache Software Foundation
 *
 *  Licensed 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.apache.tools.ant.taskdefs.compilers;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.Commandline;

/**
 * Performs a compile using javac externally.
 *
 * @since Ant 1.4
 */
public class JavacExternal extends DefaultCompilerAdapter {

    /**
     * Performs a compile using the Javac externally.
     */
    public boolean execute() throws BuildException {
        attributes.log("Using external javac compiler", Project.MSG_VERBOSE);

        Commandline cmd = new Commandline();
        cmd.setExecutable(getJavac().getJavacExecutable());
        if (!assumeJava11() && !assumeJava12()) {
            setupModernJavacCommandlineSwitches(cmd);
        } else {
            setupJavacCommandlineSwitches(cmd, true);
        }
        int firstFileName = assumeJava11() ? -1 : cmd.size();
        logAndAddFilesToCompile(cmd);

        return
            executeExternalCompile(cmd.getCommandline(), firstFileName,
                                   true)
            == 0;
    }

}