/*
* Copyright (C) 2010 Brockmann Consult GmbH (info@brockmann-consult.de)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at your option)
* any later version.
* 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 http://www.gnu.org/licenses/
*/
package com.bc.ceres.core.runtime.internal;
import java.io.*;
public class Resources {
public static InputStream openStream(String resource) {
InputStream stream = Resources.class.getResourceAsStream(resource);
if (stream == null) {
throw new IllegalStateException("resource not found: " + resource);
}
return stream;
}
public static Reader openReader(String resource) {
return new BufferedReader(new InputStreamReader(openStream(resource)));
}
public static String loadText(String resource) {
return loadAsText(openReader(resource), resource);
}
private static String loadAsText(Reader reader, String resource) {
char[] buffer = new char[1024];
StringBuilder sb = new StringBuilder(4 * buffer.length);
try {
while (true) {
int len = reader.read(buffer);
if (len == -1) {
break;
}
sb.append(buffer, 0, len);
}
} catch (IOException e) {
throw new IllegalStateException("failed to read resource: " + resource, e);
} finally {
try {
reader.close();
} catch (IOException e) {
throw new IllegalStateException("failed to close resource: " + resource, e);
}
}
return sb.toString();
}
}