diff options
Diffstat (limited to 'libjava/classpath/gnu/javax/rmi/CORBA/CorbaInput.java')
-rw-r--r-- | libjava/classpath/gnu/javax/rmi/CORBA/CorbaInput.java | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/rmi/CORBA/CorbaInput.java b/libjava/classpath/gnu/javax/rmi/CORBA/CorbaInput.java new file mode 100644 index 000000000..5880c85c5 --- /dev/null +++ b/libjava/classpath/gnu/javax/rmi/CORBA/CorbaInput.java @@ -0,0 +1,297 @@ +/* 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; + } + +} |