org.microemu.app.util.MIDletResourceInputStream Maven / Gradle / Ivy
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MicroEmulator one jar assembly for distribution.
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/**
* MicroEmulator
* Copyright (C) 2001-2008 Bartek Teodorczyk
*
* It is licensed under the following two licenses as alternatives:
* 1. GNU Lesser General Public License (the "LGPL") version 2.1 or any newer version
* 2. Apache License (the "AL") Version 2.0
*
* You may not use this file except in compliance with at least one of
* the above two licenses.
*
* You may obtain a copy of the LGPL at
* http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
*
* You may obtain a copy of the AL 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 LGPL or the AL for the specific language governing permissions and
* limitations.
*
* @version $Id: MIDletResourceInputStream.java 1733 2008-05-30 06:53:29Z vlads $
*/
package org.microemu.app.util;
import java.io.IOException;
import java.io.InputStream;
/**
* Special InputStream wrapper for loading resources is needed to change
* behavior of read(byte[] b) under Java SE. All existing Java ME
* implementations always read all bytes available in one read call.
*/
public class MIDletResourceInputStream extends InputStream {
private InputStream is;
public MIDletResourceInputStream(InputStream is) {
this.is = is;
}
public int available() throws IOException {
return is.available();
}
public int read() throws IOException {
return is.read();
}
public int read(byte[] b) throws IOException {
int result = 0;
int count = 0;
do {
count = is.read(b, result, b.length - result);
if (count != -1) {
result += count;
if (result == b.length) {
return result;
}
} else if (result != 0) {
return result;
}
} while (count != -1);
return -1;
}
}