org.bluestemsoftware.open.eoa.plugin.compile.CompilationFailureException Maven / Gradle / Ivy

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/**
 * Copyright 2008 Bluestem Software LLC.  All Rights Reserved.
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 * 
 * This program 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 for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 * 
 */

package org.bluestemsoftware.open.eoa.plugin.compile;

/*
 * Adapted from org.apache.maven.plugin.CompilerMojo which was released under the following
 * license:
 * 
 * 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.
 */

import java.util.Iterator;
import java.util.List;

import org.apache.maven.plugin.MojoFailureException;
import org.codehaus.plexus.compiler.CompilerError;

/**
 * @author Jason van Zyl
 */
public class CompilationFailureException extends MojoFailureException {
    private static final long serialVersionUID = 1L;
    private static final String LS = System.getProperty("line.separator");

    public CompilationFailureException(List messages) {
        super(null, shortMessage(messages), longMessage(messages));
    }

    public static String longMessage(List messages) {
        StringBuffer sb = new StringBuffer();

        for (Iterator it = messages.iterator(); it.hasNext();) {
            CompilerError compilerError = (CompilerError)it.next();

            sb.append(compilerError).append(LS);
        }
        return sb.toString();
    }

    /**
     * Short message will have the error message if there's only one, useful for errors forking
     * the compiler
     * 
     * @param messages
     * @return the short error message
     */
    public static String shortMessage(List messages) {
        StringBuffer sb = new StringBuffer();

        sb.append("Compilation failure");

        if (messages.size() == 1) {
            sb.append(LS);

            CompilerError compilerError = (CompilerError)messages.get(0);

            sb.append(compilerError).append(LS);
        }
        return sb.toString();
    }
}