filter.java

一个java的LDAP服务器

package org.javaldap.ldapv3;

//-----------------------------------------------------------------------------
//   NOTE: this is a machine generated file - editing not recommended
//
//   File: ./src/org/javaldap/ldapv3/Filter.java
//
//   Java class for ASN.1 definition Filter as defined in
//   module LDAPv3.
//   This file was generated by Snacc for Java at Fri Jul  2 18:01:43 1999
//   Snacc for Java - Andreas Schade (SAN/ZRL)
//-----------------------------------------------------------------------------

// Import PrintStream class for print methods
import java.io.PrintStream;

// Import ASN.1 basic type representations
import com.ibm.util.*;

// Import ASN.1 decoding/encoding classes
import com.ibm.asn1.*;

/** This class represents the ASN.1 CHOICE type <tt>Filter</tt>.
  * Choice classes contain a selector variable <tt>choiceId</tt>
  * of type <tt>int</tt> indicating which of the choice elements
  * is represented. For each choice element there is a constant
  * integer value defined to which <tt>choiceId</tt> can be set.
  * <P>The ASN.1 choice elements are represented by public
  * member varaibles of the corresponding Java type.
  * @author Snacc for Java
  * @version Fri Jul  2 18:01:43 1999
 
  */

public class Filter implements LDAPv3 {

	static public final int AND_CID	= 0;
	static public final int OR_CID	= 1;
	static public final int NOT_CID	= 2;
	static public final int EQUALITYMATCH_CID	= 3;
	static public final int SUBSTRINGS_CID	= 4;
	static public final int GREATEROREQUAL_CID	= 5;
	static public final int LESSOREQUAL_CID	= 6;
	static public final int PRESENT_CID	= 7;
	static public final int APPROXMATCH_CID	= 8;
	static public final int EXTENSIBLEMATCH_CID	= 9;

	int tag_list[] = { AND_CID, OR_CID, NOT_CID, EQUALITYMATCH_CID, SUBSTRINGS_CID, GREATEROREQUAL_CID, LESSOREQUAL_CID, PRESENT_CID, APPROXMATCH_CID, EXTENSIBLEMATCH_CID };

	public int choiceId;
	public FilterSetOf and = null;
	public FilterSetOf1 or = null;
	public Filter not = null;
	public AttributeValueAssertion equalityMatch = null;
	public SubstringFilter substrings = null;
	public AttributeValueAssertion greaterOrEqual = null;
	public AttributeValueAssertion lessOrEqual = null;
	public byte[] present = null;
	public AttributeValueAssertion approxMatch = null;
	public MatchingRuleAssertion extensibleMatch = null;

	/** default constructor */
	public Filter () {}
	/** copy constructor */
	public Filter (Filter arg) {
		choiceId = arg.choiceId;

		switch(choiceId) {
		case AND_CID:
			and = new FilterSetOf(arg.and);
			break;
		case OR_CID:
			or = new FilterSetOf1(arg.or);
			break;
		case NOT_CID:
			not = new Filter(arg.not);
			break;
		case EQUALITYMATCH_CID:
			equalityMatch = new AttributeValueAssertion(arg.equalityMatch);
			break;
		case SUBSTRINGS_CID:
			substrings = new SubstringFilter(arg.substrings);
			break;
		case GREATEROREQUAL_CID:
			greaterOrEqual = new AttributeValueAssertion(arg.greaterOrEqual);
			break;
		case LESSOREQUAL_CID:
			lessOrEqual = new AttributeValueAssertion(arg.lessOrEqual);
			break;
		case PRESENT_CID:
			present = new byte[arg.present.length];
			System.arraycopy(arg.present,0,present,0,arg.present.length);
			break;
		case APPROXMATCH_CID:
			approxMatch = new AttributeValueAssertion(arg.approxMatch);
			break;
		case EXTENSIBLEMATCH_CID:
			extensibleMatch = new MatchingRuleAssertion(arg.extensibleMatch);
			break;
		}
	}
	/** decoding method.
	* @param dec
	*        decoder object derived from com.ibm.asn1.ASN1Decoder
	* @exception com.ibm.asn1.ASN1Exception 
	*            decoding error
	*/
	public void decode (ASN1Decoder dec) throws ASN1Exception {
		int tag = dec.decodeChoice(tag_list);
		if (tag == dec.makeTag(dec.CONTEXT_TAG_CLASS,0)) {
			and = new FilterSetOf();
			dec.nextIsImplicit(dec.makeTag(dec.CONTEXT_TAG_CLASS,0));
			and.decode(dec);
			choiceId = AND_CID;
		}
		if (tag == dec.makeTag(dec.CONTEXT_TAG_CLASS,1)) {
			or = new FilterSetOf1();
			dec.nextIsImplicit(dec.makeTag(dec.CONTEXT_TAG_CLASS,1));
			or.decode(dec);
			choiceId = OR_CID;
		}
		if (tag == dec.makeTag(dec.CONTEXT_TAG_CLASS,2)) {
			not = new Filter();
			int ex_id_not = dec.decodeExplicit(dec.makeTag(dec.CONTEXT_TAG_CLASS,2));
			not.decode(dec);
			dec.endOf(ex_id_not);
			choiceId = NOT_CID;
		}
		if (tag == dec.makeTag(dec.CONTEXT_TAG_CLASS,3)) {
			equalityMatch = new AttributeValueAssertion();
			dec.nextIsImplicit(dec.makeTag(dec.CONTEXT_TAG_CLASS,3));
			equalityMatch.decode(dec);
			choiceId = EQUALITYMATCH_CID;
		}
		if (tag == dec.makeTag(dec.CONTEXT_TAG_CLASS,4)) {
			substrings = new SubstringFilter();
			dec.nextIsImplicit(dec.makeTag(dec.CONTEXT_TAG_CLASS,4));
			substrings.decode(dec);
			choiceId = SUBSTRINGS_CID;
		}
		if (tag == dec.makeTag(dec.CONTEXT_TAG_CLASS,5)) {
			greaterOrEqual = new AttributeValueAssertion();
			dec.nextIsImplicit(dec.makeTag(dec.CONTEXT_TAG_CLASS,5));
			greaterOrEqual.decode(dec);
			choiceId = GREATEROREQUAL_CID;
		}
		if (tag == dec.makeTag(dec.CONTEXT_TAG_CLASS,6)) {
			lessOrEqual = new AttributeValueAssertion();
			dec.nextIsImplicit(dec.makeTag(dec.CONTEXT_TAG_CLASS,6));
			lessOrEqual.decode(dec);
			choiceId = LESSOREQUAL_CID;
		}
		if (tag == dec.makeTag(dec.CONTEXT_TAG_CLASS,7)) {
			dec.nextIsImplicit(dec.makeTag(dec.CONTEXT_TAG_CLASS,7));
			present = dec.decodeOctetString();
			choiceId = PRESENT_CID;
		}
		if (tag == dec.makeTag(dec.CONTEXT_TAG_CLASS,8)) {
			approxMatch = new AttributeValueAssertion();
			dec.nextIsImplicit(dec.makeTag(dec.CONTEXT_TAG_CLASS,8));
			approxMatch.decode(dec);
			choiceId = APPROXMATCH_CID;
		}
		if (tag == dec.makeTag(dec.CONTEXT_TAG_CLASS,9)) {
			extensibleMatch = new MatchingRuleAssertion();
			dec.nextIsImplicit(dec.makeTag(dec.CONTEXT_TAG_CLASS,9));
			extensibleMatch.decode(dec);
			choiceId = EXTENSIBLEMATCH_CID;
		}
	}
	/** encoding method.
	* @param enc
	*        encoder object derived from com.ibm.asn1.ASN1Encoder
	* @exception com.ibm.asn1.ASN1Exception 
	*            encoding error
	*/
	public void encode (ASN1Encoder enc) throws ASN1Exception {
		enc.encodeChoice(choiceId, tag_list);
		switch(choiceId) {
		case AND_CID:
			enc.nextIsImplicit(enc.makeTag(enc.CONTEXT_TAG_CLASS,0));
			and.encode(enc);
			break;
		case OR_CID:
			enc.nextIsImplicit(enc.makeTag(enc.CONTEXT_TAG_CLASS,1));
			or.encode(enc);
			break;
		case NOT_CID:
			int ex_id_not = enc.encodeExplicit(enc.makeTag(enc.CONTEXT_TAG_CLASS,2));
			not.encode(enc);
			enc.endOf(ex_id_not);
			break;
		case EQUALITYMATCH_CID:
			enc.nextIsImplicit(enc.makeTag(enc.CONTEXT_TAG_CLASS,3));
			equalityMatch.encode(enc);
			break;
		case SUBSTRINGS_CID:
			enc.nextIsImplicit(enc.makeTag(enc.CONTEXT_TAG_CLASS,4));
			substrings.encode(enc);
			break;
		case GREATEROREQUAL_CID:
			enc.nextIsImplicit(enc.makeTag(enc.CONTEXT_TAG_CLASS,5));
			greaterOrEqual.encode(enc);
			break;
		case LESSOREQUAL_CID:
			enc.nextIsImplicit(enc.makeTag(enc.CONTEXT_TAG_CLASS,6));
			lessOrEqual.encode(enc);
			break;
		case PRESENT_CID:
			enc.nextIsImplicit(enc.makeTag(enc.CONTEXT_TAG_CLASS,7));
			enc.encodeOctetString(present);
			break;
		case APPROXMATCH_CID:
			enc.nextIsImplicit(enc.makeTag(enc.CONTEXT_TAG_CLASS,8));
			approxMatch.encode(enc);
			break;
		case EXTENSIBLEMATCH_CID:
			enc.nextIsImplicit(enc.makeTag(enc.CONTEXT_TAG_CLASS,9));
			extensibleMatch.encode(enc);
			break;
		}
	}
	/** default print method (variable indentation)
	* @param os
	*        PrintStream representing the print destination (file, etc)
	*/
	public void print (PrintStream os) {
		print(os,0);
	}
	/** print method (variable indentation)
	* @param os
	*        PrintStream representing the print destination (file, etc)
	* @param indent
	*        number of blanks that preceed each output line.
	*/
	public void print (PrintStream os, int indent) {
		os.println("{ -- CHOICE --");
		switch(choiceId) {
		case AND_CID:
			for(int ii = 0; ii < indent+2; ii++) os.print(' ');
			os.print("and = ");
			and.print(os, indent+2);
			break;
		case OR_CID:
			for(int ii = 0; ii < indent+2; ii++) os.print(' ');
			os.print("or = ");
			or.print(os, indent+2);
			break;
		case NOT_CID:
			for(int ii = 0; ii < indent+2; ii++) os.print(' ');
			os.print("not = ");
			not.print(os, indent+2);
			break;
		case EQUALITYMATCH_CID:
			for(int ii = 0; ii < indent+2; ii++) os.print(' ');
			os.print("equalityMatch = ");
			equalityMatch.print(os, indent+2);
			break;
		case SUBSTRINGS_CID:
			for(int ii = 0; ii < indent+2; ii++) os.print(' ');
			os.print("substrings = ");
			substrings.print(os, indent+2);
			break;
		case GREATEROREQUAL_CID:
			for(int ii = 0; ii < indent+2; ii++) os.print(' ');
			os.print("greaterOrEqual = ");
			greaterOrEqual.print(os, indent+2);
			break;
		case LESSOREQUAL_CID:
			for(int ii = 0; ii < indent+2; ii++) os.print(' ');
			os.print("lessOrEqual = ");
			lessOrEqual.print(os, indent+2);
			break;
		case PRESENT_CID:
			for(int ii = 0; ii < indent+2; ii++) os.print(' ');
			os.print("present = ");
			try {
				(new HexOutputStream(os)).write(present);
			} catch (java.io.IOException ex) {
				os.print("( unprintable OCTET STRING value )");
			}
			break;
		case APPROXMATCH_CID:
			for(int ii = 0; ii < indent+2; ii++) os.print(' ');
			os.print("approxMatch = ");
			approxMatch.print(os, indent+2);
			break;
		case EXTENSIBLEMATCH_CID:
			for(int ii = 0; ii < indent+2; ii++) os.print(' ');
			os.print("extensibleMatch = ");
			extensibleMatch.print(os, indent+2);
			break;
		}
		for(int ii = 0; ii < indent; ii++) os.print(' ');
		os.print("}");
	}
}