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package org.simpleframework.common.buffer.queue;
import java.io.IOException;
import java.io.InputStream;
import org.simpleframework.common.buffer.ArrayBuffer;
import org.simpleframework.common.buffer.Buffer;
public class BufferQueue implements Buffer {
private final ByteQueue queue;
private final Buffer buffer;
public BufferQueue(ByteQueue queue) {
this.buffer = new ArrayBuffer();
this.queue = queue;
}
public InputStream open() throws IOException {
return new ByteQueueStream(queue);
}
public Buffer allocate() throws IOException {
return new BufferQueue(queue);
}
public String encode() throws IOException {
return encode("UTF-8");
}
public String encode(String charset) throws IOException {
InputStream source = open();
byte[] chunk = new byte[512];
int count = 0;
while((count = source.read(chunk)) != -1) {
buffer.append(chunk, 0, count);
}
return buffer.encode(charset);
}
public Buffer append(byte[] array) throws IOException {
if(array.length > 0) {
queue.write(array);
}
return this;
}
public Buffer append(byte[] array, int off, int len) throws IOException {
if(len > 0) {
queue.write(array, off, len);
}
return this;
}
public void clear() throws IOException {
queue.reset();
}
public void close() throws IOException {
queue.close();
}
public long length() {
return buffer.length();
}
}
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