| /* CorbaInput.java -- |
| Copyright (C) 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.javax.rmi.CORBA; |
| |
| import gnu.CORBA.CDR.gnuRuntime; |
| |
| import org.omg.CORBA_2_3.portable.InputStream; |
| |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectInputStream; |
| import java.io.Serializable; |
| |
| /** |
| * Converts calls on java ObjectOutputStream to calls on CORBA OutputStream. A |
| * class to substitute for objects using readObject method. |
| * |
| * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) |
| */ |
| public class CorbaInput |
| extends ObjectInputStream |
| implements ObjectInput |
| { |
| |
| /** |
| * The underlying CORBA stream from where the actual input is taken. |
| */ |
| public InputStream stream; |
| |
| /** |
| * The utility class to write the object fields in default way. |
| */ |
| final RmiUtilities util; |
| |
| /** |
| * The object currently being read. |
| */ |
| Object current; |
| |
| /** |
| * The offset of the object currently being read. |
| */ |
| int offset; |
| |
| /** |
| * The repository id of the object currently being read. |
| */ |
| String rid; |
| |
| /** |
| * The runtime, related to the object currently being read. |
| */ |
| gnuRuntime runtime; |
| |
| /** |
| * Create an instance, delegating calls to the given CORBA stream. |
| */ |
| public CorbaInput(InputStream an_input, Object firstObject, |
| RmiUtilities an_util, int an_offset, String a_rid, |
| gnuRuntime a_runtime) |
| throws Exception |
| { |
| stream = an_input; |
| current = firstObject; |
| util = an_util; |
| |
| offset = an_offset; |
| rid = a_rid; |
| runtime = a_runtime; |
| } |
| |
| /** @inheritDoc */ |
| public int available() |
| throws IOException |
| { |
| return stream.available(); |
| } |
| |
| /** |
| * No action. |
| */ |
| public void close() |
| throws IOException |
| { |
| } |
| |
| /** @inheritDoc */ |
| public void defaultReadObject() |
| throws IOException, ClassNotFoundException |
| { |
| util.readFields(offset, rid, (Serializable) current, stream, runtime); |
| } |
| |
| /** @inheritDoc */ |
| public void mark(int readlimit) |
| { |
| stream.mark(readlimit); |
| } |
| |
| /** @inheritDoc */ |
| public boolean markSupported() |
| { |
| return stream.markSupported(); |
| } |
| |
| /** @inheritDoc */ |
| public int read() |
| throws IOException |
| { |
| return stream.read(); |
| } |
| |
| /** @inheritDoc */ |
| public int read(byte[] buf, int off, int len) |
| throws IOException |
| { |
| return stream.read(buf, off, len); |
| } |
| |
| /** @inheritDoc */ |
| public int read(byte[] b) |
| throws IOException |
| { |
| return stream.read(b); |
| } |
| |
| /** @inheritDoc */ |
| public boolean readBoolean() |
| throws IOException |
| { |
| return stream.read_boolean(); |
| } |
| |
| /** @inheritDoc */ |
| public byte readByte() |
| throws IOException |
| { |
| return (byte) stream.read(); |
| } |
| |
| /** @inheritDoc */ |
| public char readChar() |
| throws IOException |
| { |
| return stream.read_char(); |
| } |
| |
| /** @inheritDoc */ |
| public double readDouble() |
| throws IOException |
| { |
| return stream.read_double(); |
| } |
| |
| /** @inheritDoc */ |
| public float readFloat() |
| throws IOException |
| { |
| return stream.read_float(); |
| } |
| |
| /** @inheritDoc */ |
| public void readFully(byte[] buf, int off, int len) |
| throws IOException |
| { |
| // This class only reads from the buffered streams. |
| stream.read(buf, off, len); |
| } |
| |
| /** @inheritDoc */ |
| public void readFully(byte[] buf) |
| throws IOException |
| { |
| // This class only reads from the buffered streams. |
| stream.read(buf); |
| } |
| |
| /** @inheritDoc */ |
| public int readInt() |
| throws IOException |
| { |
| return stream.read_long(); |
| } |
| |
| /** @inheritDoc */ |
| public String readLine() |
| throws IOException |
| { |
| return new DataInputStream(this).readLine(); |
| } |
| |
| /** @inheritDoc */ |
| public long readLong() |
| throws IOException |
| { |
| return stream.read_longlong(); |
| } |
| |
| /** @inheritDoc */ |
| public short read_short() |
| throws IOException |
| { |
| return stream.read_short(); |
| } |
| |
| /** @inheritDoc */ |
| public int readUnsignedByte() |
| throws IOException |
| { |
| return (stream.read() & 0xFF); |
| } |
| |
| /** @inheritDoc */ |
| public int readUnsignedShort() |
| throws IOException |
| { |
| return (stream.read_short() & 0xFFFF); |
| } |
| |
| /** |
| * Read as wide string (not as UTF). |
| */ |
| public String readUTF() |
| throws IOException |
| { |
| return stream.read_wstring(); |
| } |
| |
| /** @inheritDoc */ |
| public void reset() |
| throws IOException |
| { |
| stream.reset(); |
| } |
| |
| /** @inheritDoc */ |
| public long skip(long n) |
| throws IOException |
| { |
| return stream.skip(n); |
| } |
| |
| /** @inheritDoc */ |
| public int skipBytes(int len) |
| throws IOException |
| { |
| return (int) stream.skip(len); |
| } |
| |
| /** |
| * Objects are read as abstract interfaces. |
| */ |
| protected Object readObjectOverride() |
| throws IOException, ClassNotFoundException |
| { |
| current = stream.read_abstract_interface(); |
| return current; |
| } |
| |
| } |