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/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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 android.filterpacks.base;
import android.filterfw.core.Filter;
import android.filterfw.core.FilterContext;
import android.filterfw.core.Frame;
import android.filterfw.core.FrameFormat;
import android.filterfw.core.GenerateFieldPort;
import java.io.OutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
/**
* @hide
*/
public class OutputStreamTarget extends Filter {
@GenerateFieldPort(name = "stream")
private OutputStream mOutputStream;
public OutputStreamTarget(String name) {
super(name);
}
@Override
public void setupPorts() {
addInputPort("data");
}
@Override
public void process(FilterContext context) {
Frame input = pullInput("data");
ByteBuffer data;
if (input.getFormat().getObjectClass() == String.class) {
String stringVal = (String)input.getObjectValue();
data = ByteBuffer.wrap(stringVal.getBytes());
} else {
data = input.getData();
}
try {
mOutputStream.write(data.array(), 0, data.limit());
mOutputStream.flush();
} catch (IOException exception) {
throw new RuntimeException(
"OutputStreamTarget: Could not write to stream: " + exception.getMessage() + "!");
}
}
}
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