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Viewing changes to src/main/java/org/jvnet/hudson/remcom/Payload.java

  • Committer: James Page
  • Date: 2010-12-06 10:47:32 UTC
  • Revision ID: james.page@canonical.com-20101206104732-nctfskg5ky3vinf4
Initial release

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src/main/java/org/jvnet/hudson/remcom/Payload.java
 
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package org.jvnet.hudson.remcom;
 
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import java.io.DataInputStream;
 
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import java.io.IOException;
 
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import java.io.OutputStream;
 
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/**
 
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 * @author Kohsuke Kawaguchi
 
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 */
 
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class Payload extends Packet {
 
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    public static Object/*byte[] or RemComResponse*/ read(DataInputStream in) throws IOException {
 
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        byte[] len = new byte[4];
 
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        in.readFully(len);
 
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        int size = readInt(len,0);
 
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        if (size==0) {
 
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            // EOF from the service
 
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            return new RemComResponse(in);
 
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        }
 
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        if (size<0)
 
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            throw new IllegalArgumentException("Negative: "+size);
 
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        byte[] buf = new byte[size];
 
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        in.readFully(buf);
 
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        return buf;
 
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    }
 
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    public static void write(byte[] data, int offset, int len, OutputStream dst) throws IOException {
 
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        byte[] pack = new byte[len+4];
 
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        setIntAt(len, pack, 0); // len
 
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        System.arraycopy(data,offset, pack, 4, len);
 
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        dst.write(pack);
 
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    }
 
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}