/*
 * IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
 * 
 * http://izpack.org/
 * http://izpack.codehaus.org/
 * 
 * Copyright 2004 Klaus Bartz
 * 
 * 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 com.izforge.izpack.event;

import com.izforge.izpack.installer.AutomatedInstallData;
import com.izforge.izpack.util.AbstractUIProgressHandler;
import com.izforge.izpack.util.IoHelper;
import com.izforge.izpack.util.SummaryProcessor;
import com.izforge.izpack.util.VariableSubstitutor;

import java.io.File;
import java.io.FileOutputStream;

/**
 * Installer listener which writes the summary of all panels into the logfile which is defined by
 * info.summarylogfilepath. Default is $INSTALL_PATH/Uninstaller/InstallSummary.htm
 *
 * @author Klaus Bartz
 */
public class SummaryLoggerInstallerListener extends SimpleInstallerListener
{

    /**
     * Default constructor.
     */
    public SummaryLoggerInstallerListener()
    {
        super(false);
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.izforge.izpack.compiler.InstallerListener#afterPacks(com.izforge.izpack.installer.AutomatedInstallData,
     * com.izforge.izpack.util.AbstractUIProgressHandler)
     */
    public void afterPacks(AutomatedInstallData idata, AbstractUIProgressHandler handler)
            throws Exception
    {
        if (!getInstalldata().installSuccess)
        {
            return;
        }
        // No logfile at automated installation because panels are not
        // involved.
        if (getInstalldata().panels == null || getInstalldata().panels.size() < 1)
        {
            return;
        }
        String path = getInstalldata().info.getSummaryLogFilePath();
        if (path == null)
        {
            return;
        }
        VariableSubstitutor vs = new VariableSubstitutor(getInstalldata().getVariables());
        path = IoHelper.translatePath(path, vs);
        File parent = new File(path).getParentFile();

        if (!parent.exists())
        {
            parent.mkdirs();
        }

        String summary = SummaryProcessor.getSummary(getInstalldata());
        java.io.OutputStream out = new FileOutputStream(path);

        out.write(summary.getBytes("utf-8"));
        out.close();
    }

}
