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From elecha...@apache.org
Subject svn commit: r191767 - /directory/sandbox/trunk/asn1-new-codec/src/java/org/apache/asn1/ldap/codec/grammars/SearchResultEntryGrammar.java
Date Wed, 22 Jun 2005 05:25:41 GMT
Author: elecharny
Date: Tue Jun 21 22:25:40 2005
New Revision: 191767

URL: http://svn.apache.org/viewcvs?rev=191767&view=rev
Log:
Deleted the useless LENGTH transitions

Added:
    directory/sandbox/trunk/asn1-new-codec/src/java/org/apache/asn1/ldap/codec/grammars/SearchResultEntryGrammar.java

Added: directory/sandbox/trunk/asn1-new-codec/src/java/org/apache/asn1/ldap/codec/grammars/SearchResultEntryGrammar.java
URL: http://svn.apache.org/viewcvs/directory/sandbox/trunk/asn1-new-codec/src/java/org/apache/asn1/ldap/codec/grammars/SearchResultEntryGrammar.java?rev=191767&view=auto
==============================================================================
--- directory/sandbox/trunk/asn1-new-codec/src/java/org/apache/asn1/ldap/codec/grammars/SearchResultEntryGrammar.java
(added)
+++ directory/sandbox/trunk/asn1-new-codec/src/java/org/apache/asn1/ldap/codec/grammars/SearchResultEntryGrammar.java
Tue Jun 21 22:25:40 2005
@@ -0,0 +1,157 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   Licensed under the Apache License, Version 2.0 (the "License");
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *   Unless required by applicable law or agreed to in writing, software
+ *   distributed under the License is distributed on an "AS IS" BASIS,
+ *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *   See the License for the specific language governing permissions and
+ *   limitations under the License.
+ *
+ */
+package org.apache.asn1.ldap.codec.grammars;
+
+import org.apache.asn1.DecoderException;
+import org.apache.asn1.ber.containers.IAsn1Container;
+import org.apache.asn1.ber.grammar.AbstractGrammar;
+import org.apache.asn1.ber.grammar.GrammarAction;
+import org.apache.asn1.ber.grammar.GrammarTransition;
+import org.apache.asn1.ber.grammar.IGrammar;
+import org.apache.asn1.ber.tlv.TLV;
+import org.apache.asn1.ldap.codec.LdapMessageContainer;
+import org.apache.asn1.ldap.codec.primitives.LdapDN;
+import org.apache.asn1.ldap.pojo.LdapMessage;
+import org.apache.asn1.ldap.pojo.SearchResultEntry;
+
+import org.apache.log4j.Logger;
+
+
+/**
+ * This class implements the SearchResultEntry LDAP message. All the actions are declared
in this
+ * class. As it is a singleton, these declaration are only done once.
+ * 
+ * We have to deal with empty elements, as stated by rfc 2251 :
+ * 
+ * -- implementors should note that the PartialAttributeList may
+ * -- have zero elements (if none of the attributes of that entry
+ * -- were requested, or could be returned), and that the vals set
+ * -- may also have zero elements (if types only was requested, or
+ * -- all values were excluded from the result.)
+ * 
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+public class SearchResultEntryGrammar extends AbstractGrammar implements IGrammar
+{
+    //~ Static fields/initializers -----------------------------------------------------------------
+
+    /** The logger */
+    private static final Logger log = Logger.getLogger( SearchResultEntryGrammar.class );
+
+    /** Logging speed up  */
+    private static final boolean DEBUG = log.isDebugEnabled();
+
+    /** The instance of grammar. SearchResultEntryGrammar is a singleton */
+    private static IGrammar instance = new SearchResultEntryGrammar();
+
+    //~ Constructors -------------------------------------------------------------------------------
+
+    /**
+     * Creates a new SearchResultEntryGrammar object.
+     */
+    private SearchResultEntryGrammar()
+    {
+        name = SearchResultEntryGrammar.class.getName();
+        statesEnum = LdapStatesEnum.getInstance();
+
+        // Intitialisation
+        super.transitions = new GrammarTransition[LdapStatesEnum.LAST_SEARCH_RESULT_ENTRY_STATE][256];
+
+        //============================================================================================
+        // SearchResultEntry Message
+        //============================================================================================
+        // LdapMessage ::= ... SearchResultEntry ...
+        // SearchResultEntry ::= [APPLICATION 4] SEQUENCE { (Tag)
+        // Nothing to do.
+        super.transitions[LdapStatesEnum.SEARCH_RESULT_ENTRY_TAG][0x64] = new GrammarTransition(
+                LdapStatesEnum.SEARCH_RESULT_ENTRY_TAG, LdapStatesEnum.SEARCH_RESULT_ENTRY_VALUE,
null );
+
+        // LdapMessage ::= ... SearchResultEntry ...
+        // SearchResultEntry ::= [APPLICATION 4] SEQUENCE { (Value)
+        // Nothing to do.
+        super.transitions[LdapStatesEnum.SEARCH_RESULT_ENTRY_VALUE][0x64] = new GrammarTransition(
+                LdapStatesEnum.SEARCH_RESULT_ENTRY_VALUE, LdapStatesEnum.SEARCH_RESULT_ENTRY_OBJECT_NAME_TAG,

+                new GrammarAction( "Init SearchResultEntry" )
+                {
+                    public void action( IAsn1Container container ) throws DecoderException
+                    {
+
+                        LdapMessageContainer ldapMessageContainer = ( LdapMessageContainer
)
+                            container;
+                        LdapMessage      ldapMessage          =
+                            ldapMessageContainer.getLdapMessage();
+                        // Now, we can allocate the SearchResultEntry Object
+                        // And we associate it to the ldapMessage Object
+                        ldapMessage.setProtocolOP( new SearchResultEntry() );
+                    }
+                }  );
+
+        // LdapMessage ::= ... SearchResultEntry ...
+        // SearchResultEntry ::= [APPLICATION 4] SEQUENCE { 
+        //    objectName      LDAPDN, (Tag)
+        //    ...
+        // Nothing to do
+        super.transitions[LdapStatesEnum.SEARCH_RESULT_ENTRY_OBJECT_NAME_TAG][0x04] = new
GrammarTransition(
+                LdapStatesEnum.SEARCH_RESULT_ENTRY_OBJECT_NAME_TAG, LdapStatesEnum.SEARCH_RESULT_ENTRY_OBJECT_NAME_VALUE,
null );
+
+        // LdapMessage ::= ... SearchResultEntry ...
+        // SearchResultEntry ::= [APPLICATION 4] SEQUENCE { 
+        //    objectName      LDAPDN, (Value)
+        //    ...
+        // Store the object name.
+        super.transitions[LdapStatesEnum.SEARCH_RESULT_ENTRY_OBJECT_NAME_VALUE][0x04] = new
GrammarTransition(
+                LdapStatesEnum.SEARCH_RESULT_ENTRY_OBJECT_NAME_VALUE, LdapStatesEnum.SEARCH_RESULT_ENTRY_ATTRIBUTES_TAG,

+                new GrammarAction( "Store search result entry object name Value" )
+                {
+                    public void action( IAsn1Container container ) throws DecoderException
+                    {
+                        LdapMessageContainer ldapMessageContainer = ( LdapMessageContainer
)
+                        container;
+                        LdapMessage      ldapMessage          =
+                        ldapMessageContainer.getLdapMessage();
+                        SearchResultEntry searchResultEntry = ldapMessage.getSearchResultEntry();
+
+                        TLV tlv            = ldapMessageContainer.getCurrentTLV();
+
+                        // Store the value.
+                        searchResultEntry.setObjectName( new LdapDN( tlv.getValue().getData()
) );
+                    }
+                } );
+
+        // SearchResultEntry ::= [APPLICATION 4] SEQUENCE { 
+        //    attributes      PartialAttributeList }
+        // PartialAttributeList ::= SEQUENCE OF SEQUENCE { (Tag)
+        //    ...
+        // We may have many attributes. Nothing to do
+        super.transitions[LdapStatesEnum.SEARCH_RESULT_ENTRY_ATTRIBUTES_TAG][0x30] = new
GrammarTransition(
+                LdapStatesEnum.SEARCH_RESULT_ENTRY_ATTRIBUTES_TAG, LdapStatesEnum.SEARCH_RESULT_ENTRY_ATTRIBUTES_VALUE,
null );
+
+
+    }
+
+    //~ Methods ------------------------------------------------------------------------------------
+
+    /**
+     * Get the instance of this grammar
+     *
+     * @return An instance on the SearchResultEntry Grammar
+     */
+    public static IGrammar getInstance()
+    {
+        return instance;
+    }
+}



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