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authorJing Yu <jingyu@google.com>2010-07-22 14:03:48 -0700
committerJing Yu <jingyu@google.com>2010-07-22 14:03:48 -0700
commitb094d6c4bf572654a031ecc4afe675154c886dc5 (patch)
tree89394c56b05e13a5413ee60237d65b0214fd98e2 /gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastRemoteCall.java
parentdc34721ac3bf7e3c406fba8cfe9d139393345ec5 (diff)
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commit gcc-4.4.3 which is used to build gcc-4.4.3 Android toolchain in master.
The source is based on fsf gcc-4.4.3 and contains local patches which are recorded in gcc-4.4.3/README.google. Change-Id: Id8c6d6927df274ae9749196a1cc24dbd9abc9887
Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastRemoteCall.java')
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diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastRemoteCall.java b/gcc-4.4.3/libjava/classpath/gnu/java/rmi/server/UnicastRemoteCall.java
new file mode 100644
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+/* UnicastRemoteCall.java
+ Copyright (c) 1996, 1997, 1998, 1999, 2002, 2004, 2005
+ Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.rmi.server;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
+import java.io.StreamCorruptedException;
+import java.rmi.MarshalException;
+import java.rmi.RemoteException;
+import java.rmi.UnmarshalException;
+import java.rmi.server.ObjID;
+import java.rmi.server.RemoteCall;
+import java.rmi.server.UID;
+import java.util.Vector;
+
+public class UnicastRemoteCall
+ implements RemoteCall, ProtocolConstants
+{
+
+ private UnicastConnection conn;
+ private Object result;
+ private Object object;
+ private int opnum;
+ private long hash;
+ // These are package-private due to inner class access.
+ Vector vec;
+ int ptr;
+ private ObjID objid;
+
+ private ObjectOutput oout;
+ private ObjectInput oin;
+
+ /**
+ * Incoming call.
+ */
+ UnicastRemoteCall(UnicastConnection conn)
+ {
+ this.conn = conn;
+ }
+
+ /**
+ * Outgoing call.
+ */
+ UnicastRemoteCall(UnicastConnection conn, ObjID objid, int opnum, long hash)
+ throws RemoteException
+ {
+ this.conn = conn;
+ this.opnum = opnum;
+ this.hash = hash;
+ this.objid = objid;
+ }
+
+ UnicastConnection getConnection()
+ {
+ return conn;
+ }
+
+ public ObjectOutput getOutputStream() throws IOException
+ {
+ if (vec == null)
+ vec = new Vector();
+ return (new DummyObjectOutputStream());
+ }
+
+ public void releaseOutputStream() throws IOException
+ {
+ if (vec != null)
+ {
+ oout = conn.getObjectOutputStream();
+
+ for (int i = 0; i < vec.size(); i += 2)
+ {
+ boolean primitive = ((Boolean)vec.elementAt(i)).booleanValue();
+ Object data = vec.elementAt(i+1);
+
+ // No type, this is
+ if (!primitive)
+ oout.writeObject(data);
+ else
+ {
+ if (data instanceof Boolean)
+ oout.writeBoolean(((Boolean)data).booleanValue());
+ else if (data instanceof Character)
+ oout.writeChar(((Character)data).charValue());
+ else if (data instanceof Byte)
+ oout.writeByte(((Byte)data).byteValue());
+ else if (data instanceof Short)
+ oout.writeShort(((Short)data).shortValue());
+ else if (data instanceof Integer)
+ oout.writeInt(((Integer)data).intValue());
+ else if (data instanceof Long)
+ oout.writeLong(((Long)data).longValue());
+ }
+ }
+ vec = null;
+ }
+ if(oout != null)
+ oout.flush();
+ }
+
+ /**
+ *
+ * (re)starts ObjectInputStream
+ *
+ */
+ public ObjectInput startInputStream() throws IOException
+ {
+ if (conn != null) {
+ return (oin = conn.startObjectInputStream());
+ } else {
+ return getInputStream(); // dummy Input Stream
+ }
+
+ }
+
+ public ObjectInput getInputStream() throws IOException
+ {
+ if (conn != null)
+ {
+ if(oin == null)
+ return (oin = conn.getObjectInputStream());
+ else
+ return oin;
+ }
+ else
+ {
+ ptr = 0;
+ return (new DummyObjectInputStream());
+ }
+ }
+
+ public void releaseInputStream() throws IOException
+ {
+ // Does nothing.
+ }
+
+ public ObjectOutput getResultStream(boolean success)
+ throws IOException, StreamCorruptedException
+ {
+ vec = new Vector();
+ return new DummyObjectOutputStream();
+ }
+
+ public void executeCall() throws Exception
+ {
+ byte returncode;
+ ObjectInput oin;
+
+ // signal the call when constructing
+ try
+ {
+ DataOutputStream dout = conn.getDataOutputStream();
+ dout.write(MESSAGE_CALL);
+
+ oout = conn.startObjectOutputStream(); // (re)start ObjectOutputStream
+ objid.write(oout);
+ oout.writeInt(opnum);
+ oout.writeLong(hash);
+ }
+ catch(IOException ex)
+ {
+ throw new MarshalException("Try to write header but failed.", ex);
+ }
+
+ try
+ {
+ releaseOutputStream();
+ DataInputStream din = conn.getDataInputStream();
+ if (din.readByte() != MESSAGE_CALL_ACK)
+ throw new RemoteException("Call not acked");
+
+ oin = startInputStream();
+ returncode = oin.readByte();
+ UID.read(oin);
+ }
+ catch(IOException ex)
+ {
+ throw new UnmarshalException("Try to read header but failed:", ex);
+ }
+
+ //check return code
+ switch(returncode)
+ {
+ case RETURN_ACK: //it's ok
+ return;
+ case RETURN_NACK:
+ Object returnobj;
+ try
+ {
+ returnobj = oin.readObject();
+ }
+ catch(Exception ex2)
+ {
+ throw new UnmarshalException
+ ("Try to read exception object but failed", ex2);
+ }
+
+ if(!(returnobj instanceof Exception))
+ throw new UnmarshalException("Should be Exception type here: "
+ + returnobj);
+ throw (Exception)returnobj;
+
+ default:
+ throw new UnmarshalException("Invalid return code");
+ }
+ }
+
+ public void done() throws IOException
+ {
+ // conn.disconnect();
+ }
+
+ boolean isReturnValue()
+ {
+ return vec.size() > 0;
+ }
+
+ Object returnValue()
+ {
+ // This is not the first one (Boolean) but the second.
+ return vec.elementAt(1);
+ }
+
+ Object[] getArguments()
+ {
+ return vec.toArray();
+ }
+
+ Object getObject()
+ {
+ return object;
+ }
+
+ int getOpnum()
+ {
+ return opnum;
+ }
+
+ long getHash()
+ {
+ return hash;
+ }
+
+ void setReturnValue(Object obj)
+ {
+ vec.removeAllElements();
+ vec.addElement(obj);
+ }
+
+ /**
+ * Dummy object output class.
+ */
+ private class DummyObjectOutputStream implements ObjectOutput
+ {
+ /**
+ * Non-private constructor to reduce bytecode emitted.
+ */
+ DummyObjectOutputStream()
+ {
+ }
+
+ public void writeBoolean(boolean v) throws IOException
+ {
+ vec.addElement(Boolean.TRUE);
+ vec.addElement(Boolean.valueOf(v));
+ }
+
+ public void writeByte(int v) throws IOException
+ {
+ vec.addElement(Boolean.TRUE);
+ vec.addElement(new Byte((byte) v));
+ }
+
+ public void writeChar(int v) throws IOException
+ {
+ vec.addElement(Boolean.TRUE);
+ vec.addElement(new Character((char) v));
+ }
+
+ public void writeDouble(double v) throws IOException
+ {
+ vec.addElement(Boolean.TRUE);
+ vec.addElement(new Double(v));
+ }
+
+ public void writeFloat(float v) throws IOException
+ {
+ vec.addElement(Boolean.TRUE);
+ vec.addElement(new Float(v));
+ }
+
+ public void writeInt(int v) throws IOException
+ {
+ vec.addElement(Boolean.TRUE);
+ vec.addElement(new Integer(v));
+ }
+
+ public void writeLong(long v) throws IOException
+ {
+ vec.addElement(Boolean.TRUE);
+ vec.addElement(new Long(v));
+ }
+
+ public void writeShort(int v) throws IOException
+ {
+ vec.addElement(Boolean.TRUE);
+ vec.addElement(new Short((short) v));
+ }
+
+ public void writeObject(Object obj) throws IOException
+ {
+ vec.addElement(Boolean.FALSE);
+ vec.addElement(obj);
+ }
+
+ public void write(byte b[]) throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public void write(byte b[], int off, int len) throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public void write(int b) throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public void writeBytes(String s) throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public void writeChars(String s) throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public void writeUTF(String str) throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public void flush() throws IOException
+ {
+ }
+
+ public void close() throws IOException
+ {
+ }
+ } // class DummyObjectOutputStream
+
+ /**
+ * Dummy object input class.
+ */
+ private class DummyObjectInputStream implements ObjectInput
+ {
+ /**
+ * Non-private constructor to reduce bytecode emitted.
+ */
+ DummyObjectInputStream()
+ {
+ }
+
+ public boolean readBoolean() throws IOException
+ {
+ Object obj = vec.elementAt(ptr++);
+ return ((Boolean) obj).booleanValue();
+ }
+
+ public byte readByte() throws IOException
+ {
+ Object obj = vec.elementAt(ptr++);
+ return ((Byte) obj).byteValue();
+ }
+
+ public char readChar() throws IOException
+ {
+ Object obj = vec.elementAt(ptr++);
+ return ((Character) obj).charValue();
+ }
+
+ public double readDouble() throws IOException
+ {
+ Object obj = vec.elementAt(ptr++);
+ return ((Double) obj).doubleValue();
+ }
+
+ public float readFloat() throws IOException
+ {
+ Object obj = vec.elementAt(ptr++);
+ return ((Float) obj).floatValue();
+ }
+
+ public int readInt() throws IOException
+ {
+ Object obj = vec.elementAt(ptr++);
+ return ((Integer) obj).intValue();
+ }
+
+ public long readLong() throws IOException
+ {
+ Object obj = vec.elementAt(ptr++);
+ return ((Long) obj).longValue();
+ }
+
+ public short readShort() throws IOException
+ {
+ Object obj = vec.elementAt(ptr++);
+ return ((Short) obj).shortValue();
+ }
+
+ public Object readObject() throws IOException
+ {
+ return vec.elementAt(ptr++);
+ }
+
+ public int read(byte b[]) throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public int read(byte b[], int off, int len) throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public int read() throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public long skip(long n) throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public int available() throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public void readFully(byte b[]) throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public void readFully(byte b[], int off, int len) throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public String readLine() throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public String readUTF() throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public int readUnsignedByte() throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public int readUnsignedShort() throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public int skipBytes(int n) throws IOException
+ {
+ throw new IOException("not required");
+ }
+
+ public void close() throws IOException
+ {
+ }
+ } // class DummyObjectInputStream
+
+}