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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/gnu/CORBA/GIOP/RequestHeader.java | |
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Diffstat (limited to 'libjava/classpath/gnu/CORBA/GIOP/RequestHeader.java')
-rw-r--r-- | libjava/classpath/gnu/CORBA/GIOP/RequestHeader.java | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/CORBA/GIOP/RequestHeader.java b/libjava/classpath/gnu/CORBA/GIOP/RequestHeader.java new file mode 100644 index 000000000..45997ab3d --- /dev/null +++ b/libjava/classpath/gnu/CORBA/GIOP/RequestHeader.java @@ -0,0 +1,156 @@ +/* RequestHeader.java -- The GIOP 1.0 request message. + 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.CORBA.GIOP; + +import gnu.CORBA.CDR.AbstractCdrInput; +import gnu.CORBA.CDR.AbstractCdrOutput; + +import gnu.java.lang.CPStringBuilder; + +import org.omg.CORBA.portable.IDLEntity; + +/** + * The GIOP request message. + * + * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) + */ +public abstract class RequestHeader + extends ContextHandler + implements IDLEntity +{ + /** + * The currently free request id. This field is incremented each time the new + * request header is constructed. To facilitate error detection, the first + * free id is equal to 0x01234567 (19088743). + */ + private static int freeId = 0x01234567; + + /** + * The operation being invoked (IDL scope name). + */ + public String operation; + + /** + * Identifies the object that is the target of the invocation. + */ + public byte[] object_key; + + /** + * A value identifying the requesting principal. Initialised into a single + * zero byte. + * + * @deprecated by CORBA 2.2. + */ + public byte[] requesting_principal; + + /** + * This is used to associate the reply message with the previous request + * message. Initialised each time by the different value, increasing form 1 to + * Integer.MAX_VALUE. + */ + public int request_id = getNextId(); + + /** + * If true, the response from the server is expected. + */ + protected boolean response_expected = true; + + /** + * Get next free request id. The value of the free request id starts from + * 0x02345678, it is incremented each time this function is called and is + * reset to 1 after reaching Integer.MAX_VALUE. + * + * @return the next free request id. + */ + public static synchronized int getNextId() + { + int f = freeId; + if (freeId == Integer.MAX_VALUE) + freeId = 1; + else + freeId++; + + return f; + } + + /** + * Set if the sender expects any response to this message. + */ + public abstract void setResponseExpected(boolean expected); + + /** + * Return true if response is expected. + */ + public abstract boolean isResponseExpected(); + + /** + * Converts an byte array into hexadecimal string values. Used in various + * toString() methods. + */ + public String bytes(byte[] array) + { + CPStringBuilder b = new CPStringBuilder(); + for (int i = 0; i < array.length; i++) + { + b.append(Integer.toHexString(array[i] & 0xFF)); + b.append(" "); + } + return b.toString(); + } + + /** + * Reads the header from the stream. + * + * @param in a stream to read from. + */ + public abstract void read(AbstractCdrInput in); + + /** + * Return a string representation. + */ + public abstract String toString(); + + /** + * Writes the header to the stream. + * + * @param out a stream to write into. + */ + public abstract void write(AbstractCdrOutput out); + +} |