/*
* Copyright (c) 2011, M. Woelker, H. Westphal
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of jo-widgets.org nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS 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 jo-widgets.org 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.
*/
package org.jowidgets.workbench.impl.rcp.internal.util;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;
import org.eclipse.core.internal.runtime.DataArea;
import org.eclipse.core.runtime.IPath;
@SuppressWarnings("restriction")
public final class RcpWorkbenchConfigurationSupport {
private static final String WORKBENCH_BUNDLE = "org.eclipse.ui.workbench";
private static final String WORKBENCH_FILENAME = "workbench.xml";
private static final String WORKBENCH_FILE_ENCODING = "UTF-8";
private final File workbenchFile;
public RcpWorkbenchConfigurationSupport() {
final DataArea dataArea = new DataArea();
final IPath path = dataArea.getStateLocation(WORKBENCH_BUNDLE).append(WORKBENCH_FILENAME);
workbenchFile = path.toFile();
}
public void setConfiguration(final String xml) {
if (xml == null) {
workbenchFile.delete();
return;
}
workbenchFile.getParentFile().mkdirs();
try {
final Writer writer = new OutputStreamWriter(new FileOutputStream(workbenchFile), WORKBENCH_FILE_ENCODING);
try {
writer.write(xml);
}
finally {
writer.close();
}
}
catch (final IOException e) {
workbenchFile.delete();
}
}
public String getConfiguration() {
try {
final BufferedReader reader = new BufferedReader(new InputStreamReader(
new FileInputStream(workbenchFile),
WORKBENCH_FILE_ENCODING));
final StringBuilder builder = new StringBuilder();
try {
String line;
while ((line = reader.readLine()) != null) {
builder.append(line);
builder.append('\n');
}
}
finally {
reader.close();
}
return builder.toString();
}
catch (final IOException e) {
return null;
}
}
}