/*
* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you 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 org.wso2.carbon.databridge.commons.binary;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
public class BinaryMessageConverterUtil {
public static byte[] loadData(InputStream in, byte[] dataArray) throws IOException {
int start = 0;
while (true) {
int readCount = in.read(dataArray, start, dataArray.length - start);
if (readCount != -1) {
start += readCount;
if (start == dataArray.length) {
return dataArray;
}
} else {
throw new EOFException("Connection closed from remote end.");
}
}
}
public static String getString(ByteBuffer byteBuffer, int size) {
byte[] bytes = new byte[size];
byteBuffer.get(bytes);
return new String(bytes);
}
public static int getSize(Object data) {
if (data instanceof String) {
return 4 + ((String) data).getBytes().length;
} else if (data instanceof Integer) {
return 4;
} else if (data instanceof Long) {
return 8;
} else if (data instanceof Float) {
return 4;
} else if (data instanceof Double) {
return 8;
} else if (data instanceof Boolean) {
return 1;
} else {
return 4;
}
}
public static void assignData(Object data, ByteBuffer eventDataBuffer) throws IOException {
if (data instanceof String) {
eventDataBuffer.putInt(((String) data).getBytes().length);
eventDataBuffer.put(((String) data).getBytes(BinaryMessageConstants.DEFAULT_CHARSET));
} else if (data instanceof Integer) {
eventDataBuffer.putInt((Integer) data);
} else if (data instanceof Long) {
eventDataBuffer.putLong((Long) data);
} else if (data instanceof Float) {
eventDataBuffer.putFloat((Float) data);
} else if (data instanceof Double) {
eventDataBuffer.putDouble((Double) data);
} else if (data instanceof Boolean) {
eventDataBuffer.put((byte) (((Boolean) data) ? 1 : 0));
} else {
eventDataBuffer.putInt(0);
}
}
}