Imported GNU Classpath 0.19 + gcj-import-20051115.
* sources.am: Regenerated.
* Makefile.in: Likewise.
* scripts/makemake.tcl: Use glob -nocomplain.
From-SVN: r107049
This commit is contained in:
Mark Wielaard
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/* ArrayValueHelper.java --
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.CORBA.CDR;
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import gnu.CORBA.ObjectCreator;
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import org.omg.CORBA.BooleanSeqHelper;
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import org.omg.CORBA.CharSeqHelper;
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import org.omg.CORBA.DoubleSeqHelper;
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import org.omg.CORBA.FloatSeqHelper;
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import org.omg.CORBA.LongLongSeqHelper;
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import org.omg.CORBA.LongSeqHelper;
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import org.omg.CORBA.OctetSeqHelper;
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import org.omg.CORBA.ShortSeqHelper;
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import org.omg.CORBA.portable.BoxedValueHelper;
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import org.omg.CORBA.portable.InputStream;
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import org.omg.CORBA.portable.OutputStream;
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import java.io.Serializable;
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import java.lang.reflect.Array;
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import java.rmi.Remote;
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import javax.rmi.CORBA.Util;
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import javax.rmi.CORBA.ValueHandler;
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/**
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* Writes arrays as a boxed value types. A single instance is used to write a
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* single array. This class is only used with RMI/IIOP, to handle array boxed
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* values.
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*
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* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
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*/
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class ArrayValueHelper
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implements BoxedValueHelper
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{
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/**
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* The value handler (one for all instances).
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*/
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static ValueHandler handler = Util.createValueHandler();
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/**
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* A class of the array being written.
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*/
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Class arrayClass;
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/**
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* The array component class.
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*/
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Class component;
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/**
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* The array component repository Id.
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*/
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String componentId;
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/**
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* If true, the array members are written as objects rather than as values.
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* True for Remotes and CORBA objects.
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*/
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boolean written_as_object()
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{
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return org.omg.CORBA.Object.class.isAssignableFrom(component)
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|| Remote.class.isAssignableFrom(component);
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}
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/**
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* Creates the instance of the helper to write this specific array class.
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*/
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ArrayValueHelper(Class an_arrayClass)
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{
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arrayClass = an_arrayClass;
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}
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/**
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* Get the array repository Id that will be the RMI repository id.
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*/
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public String get_id()
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{
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return ObjectCreator.getRepositoryId(arrayClass);
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}
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/**
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* Read the array from the input stream.
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*/
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public Serializable read_value(InputStream input)
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{
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if (input instanceof HeadlessInput)
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{
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((HeadlessInput) input).subsequentCalls = true;
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}
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component = arrayClass.getComponentType();
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if (component.equals(byte.class))
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return OctetSeqHelper.read(input);
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else if (component.equals(String.class))
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{
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// String array is optimized because this may be frequent.
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String[] s = new String[input.read_long()];
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for (int i = 0; i < s.length; i++)
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s[i] = (String) Vio.read(input, Vio.m_StringValueHelper);
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return s;
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}
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else if (component.equals(int.class))
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return LongSeqHelper.read(input);
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else if (component.equals(long.class))
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return LongLongSeqHelper.read(input);
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else if (component.equals(double.class))
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return DoubleSeqHelper.read(input);
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else if (component.equals(float.class))
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return FloatSeqHelper.read(input);
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else if (component.equals(boolean.class))
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return BooleanSeqHelper.read(input);
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else if (component.equals(short.class))
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return ShortSeqHelper.read(input);
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else if (component.equals(char.class))
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return CharSeqHelper.read(input);
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else
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{
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// Read others, use reflection.
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int n = input.read_long();
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gnuValueStream s = null;
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Serializable array = (Serializable) Array.newInstance(component, n);
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if (written_as_object())
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for (int i = 0; i < n; i++)
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{
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gnuRuntime g;
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int position;
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if (input instanceof gnuValueStream)
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{
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s = (gnuValueStream) input;
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g = s.getRunTime();
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position = s.getPosition();
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}
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else
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{
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g = null;
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position = -1;
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}
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if (input instanceof HeadlessInput)
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((HeadlessInput) input).subsequentCalls = true;
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Object o = handler.readValue(input, position, component, null, g);
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Array.set(array, i, o);
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}
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else
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for (int i = 0; i < n; i++)
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Array.set(array, i, Vio.read(input, component));
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return array;
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}
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}
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/**
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* Write the array to the input stream.
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*/
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public void write_value(OutputStream output, Serializable value)
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{
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if (output instanceof gnuValueStream)
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{
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gnuRuntime r = ((gnuValueStream) output).getRunTime();
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if (r != null)
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r.target = null;
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}
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if (value instanceof byte[])
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OctetSeqHelper.write(output, (byte[]) value);
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else if (value instanceof String[])
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{
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String[] s = (String[]) value;
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output.write_long(s.length);
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for (int i = 0; i < s.length; i++)
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Vio.write(output, s[i], Vio.m_StringValueHelper);
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}
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else if (value instanceof int[])
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LongSeqHelper.write(output, (int[]) value);
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else if (value instanceof long[])
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LongLongSeqHelper.write(output, (long[]) value);
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else if (value instanceof double[])
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DoubleSeqHelper.write(output, (double[]) value);
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else if (value instanceof float[])
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FloatSeqHelper.write(output, (float[]) value);
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else if (value instanceof boolean[])
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BooleanSeqHelper.write(output, (boolean[]) value);
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else if (value instanceof short[])
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ShortSeqHelper.write(output, (short[]) value);
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else if (value instanceof char[])
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CharSeqHelper.write(output, (char[]) value);
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else
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{
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// Write others, use reflection.
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component = arrayClass.getComponentType();
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int n = Array.getLength(value);
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output.write_long(n);
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if (written_as_object())
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for (int i = 0; i < n; i++)
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{
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Object o = Array.get(value, i);
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if (o == null)
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output.write_Object(null);
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else
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// CORBA objects have another notation.
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handler.writeValue(output, (Serializable) o);
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}
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else
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{
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for (int i = 0; i < n; i++)
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Vio.write(output, (Serializable) Array.get(value, i),
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component);
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}
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}
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}
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}
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