115 lines
3.2 KiB
Java
115 lines
3.2 KiB
Java
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1999 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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package netscape.ldap.util;
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import java.util.*;
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import netscape.ldap.*;
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import java.io.*;
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/**
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* Abstract class for outputting LDAP entries to a stream.
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*
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* @version 1.0
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*/
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public abstract class LDAPWriter implements Serializable {
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// static final long serialVersionUID = -2710382547996750924L;
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protected PrintWriter m_pw;
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private static MimeBase64Encoder m_encoder = new MimeBase64Encoder();
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/**
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* Constructs an <CODE>LDAPWriter</CODE> object to output entries
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* to a stream.
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*
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* @param pw output stream
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*/
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public LDAPWriter( PrintWriter pw ) {
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m_pw = pw;
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}
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/**
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* The main method of LDAPWriter. It calls printEntryIntro,
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* printAttribute, and printEntryEnd of derived classes.
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*
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* @param entry an LDAPEntry to be formatted to the output
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* stream
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*/
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public void printEntry( LDAPEntry entry ) throws IOException {
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printEntryStart( entry.getDN() );
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/* Get the attributes of the entry */
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LDAPAttributeSet attrs = entry.getAttributeSet();
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Enumeration enumAttrs = attrs.getAttributes();
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/* Loop on attributes */
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while ( enumAttrs.hasMoreElements() ) {
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LDAPAttribute anAttr =
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(LDAPAttribute)enumAttrs.nextElement();
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printAttribute( anAttr );
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}
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printEntryEnd( entry.getDN() );
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}
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/**
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* Default schema writer - assumes an ordinary entry
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*
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* @param entry an LDAPEntry containing schema to be formatted
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* to the output stream
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*/
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public void printSchema( LDAPEntry entry ) throws IOException {
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printEntry( entry );
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}
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/**
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* Print an attribute of an entry
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*
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* @param attr the attribute to format to the output stream
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*/
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protected abstract void printAttribute( LDAPAttribute attr );
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/**
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* Print prologue to entry
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*
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* @param dn the DN of the entry
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*/
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protected abstract void printEntryStart( String dn );
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/**
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* Print epilogue to entry
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*
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* @param dn the DN of the entry
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*/
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protected abstract void printEntryEnd( String dn );
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protected String getPrintableValue( byte[] b ) {
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String s = "";
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ByteBuf inBuf = new ByteBuf( b, 0, b.length );
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ByteBuf encodedBuf = new ByteBuf();
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// Translate to base 64
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m_encoder.translate( inBuf, encodedBuf );
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int nBytes = encodedBuf.length();
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if ( nBytes > 0 ) {
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s = new String(encodedBuf.toBytes(),
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0, nBytes);
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}
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return s;
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}
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}
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