gecko-dev/directory/java-sdk/ldapjdk/netscape/ldap/LDAPConstraints.java

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Java

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (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.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1999 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
package netscape.ldap;
/**
* Represents a set of operation preferences.
* You can set these preferences for a particular operation
* by creating an <CODE>LDAPConstraints</CODE> object,
* specifying your preferences, and passing the object to
* the proper <CODE>LDAPConnection</CODE> method.
* <P>
*
* @version 1.0
*/
public class LDAPConstraints implements Cloneable, java.io.Serializable {
static final long serialVersionUID = 6506767263918312029L;
private int m_hop_limit;
private LDAPBind m_bind_proc;
private LDAPRebind m_rebind_proc;
private boolean referrals;
private int m_time_limit;
private LDAPControl[] m_clientControls;
private LDAPControl[] m_serverControls;
/**
* Constructs an <CODE>LDAPConstraints</CODE> object that specifies
* the default set of constraints.
*/
public LDAPConstraints() {
m_time_limit = 0;
referrals = false;
m_bind_proc = null;
m_rebind_proc = null;
m_hop_limit = 5;
m_clientControls = null;
m_serverControls = null;
}
/**
* Constructs a new <CODE>LDAPConstraints</CODE> object and allows you
* to specify the constraints in that object.
* <P>
* @param msLimit maximum time in milliseconds to wait for results (0
* by default, which means that there is no maximum time limit)
* @param doReferrals specify <CODE>true</CODE> to follow referrals
* automatically, or <CODE>False</CODE> to throw an
* <CODE>LDAPReferralException</CODE> error if the server sends back
* a referral (<CODE>False</CODE> by default)
* @param rebind_proc specifies the object that
* implements the <CODE>LDAPRebind</CODE> interface (you need to
* define this class). The object will be used when the client
* follows referrals automatically. The object provides the client
* with a method for getting the distinguished name and password
* used to authenticate to another LDAP server during a referral.
* (This field is <CODE>null</CODE> by default.)
* @param hop_limit maximum number of referrals to follow in a
* sequence when attempting to resolve a request
* @see netscape.ldap.LDAPConnection#setOption(int, java.lang.Object)
*/
public LDAPConstraints( int msLimit, boolean doReferrals,
LDAPRebind rebind_proc, int hop_limit) {
m_time_limit = msLimit;
referrals = doReferrals;
m_bind_proc = null;
m_rebind_proc = rebind_proc;
m_hop_limit = hop_limit;
m_clientControls = null;
m_serverControls = null;
}
/**
* Constructs a new <CODE>LDAPConstraints</CODE> object and allows you
* to specify the constraints in that object.
* <P>
* @param msLimit Mmaximum time in milliseconds to wait for results (0
* by default, which means that there is no maximum time limit)
* @param doReferrals specify <CODE>true</CODE> to follow referrals
* automatically, or <CODE>False</CODE> to throw an
* <CODE>LDAPReferralException</CODE> error if the server sends back
* a referral (<CODE>False</CODE> by default)
* @param bind_proc specifies the object that
* implements the <CODE>LDAPBind</CODE> interface (you need to
* define this class). The object will be used to authenticate to the
* server on referrals. (This field is <CODE>null</CODE> by default.)
* @param hop_limit maximum number of referrals to follow in a
* sequence when attempting to resolve a request
* @see netscape.ldap.LDAPConnection#setOption(int, java.lang.Object)
*/
public LDAPConstraints( int msLimit, boolean doReferrals,
LDAPBind bind_proc, int hop_limit) {
m_time_limit = msLimit;
referrals = doReferrals;
m_bind_proc = bind_proc;
m_rebind_proc = null;
m_hop_limit = hop_limit;
m_clientControls = null;
m_serverControls = null;
}
/**
* Returns the maximum number of milliseconds to wait for any operation
* under these constraints. If 0, there is no maximum time limit
* on waiting for the operation results.
* @return maximum number of milliseconds to wait for operation results.
*/
public int getTimeLimit() {
return m_time_limit;
}
/**
* Specifies whether nor not referrals are followed automatically.
* Returns <CODE>true</CODE> if referrals are to be followed automatically,
* or <CODE>false</CODE> if referrals throw an
* <CODE>LDAPReferralException</CODE>.
* @return <CODE>true</CODE> if referrals are followed automatically,
* <CODE>false</CODE> if referrals throw an
* <CODE>LDAPReferralException</CODE>.
*/
public boolean getReferrals() {
return referrals;
}
/**
* Returns the object that provides the mechanism for authenticating to the
* server on referrals. This object must implement the <CODE>LDAPBind</CODE>
* interface.
* @return object to use to authenticate to the server on referrals.
* @see netscape.ldap.LDAPBind
*/
public LDAPBind getBindProc() {
return m_bind_proc;
}
/**
* Returns the object that provides the method for getting
* authentication information. This object must
* implement the <CODE>LDAPRebind</CODE> interface.
* @return object to use to obtain information for
* authenticating to other LDAP servers during referrals.
* @see netscape.ldap.LDAPRebind
* @see netscape.ldap.LDAPRebindAuth
*/
public LDAPRebind getRebindProc() {
return m_rebind_proc;
}
/**
* Returns the maximum number of hops to follow during a referral.
* @return maximum number of hops to follow during a referral.
*/
public int getHopLimit() {
return m_hop_limit;
}
/**
* Returns any client controls to be applied by the client
* to LDAP operations.
* @return client controls for the client to apply to LDAP operations.
* @see netscape.ldap.LDAPControl
* @see netscape.ldap.LDAPConnection#getOption
* @see netscape.ldap.LDAPConnection#setOption
*/
public LDAPControl[] getClientControls() {
return m_clientControls;
}
/**
* Returns any server controls to be applied by the server
* to LDAP operations.
* @return server controls for the server to apply to LDAP operations.
* @see netscape.ldap.LDAPControl
* @see netscape.ldap.LDAPConnection#getOption
* @see netscape.ldap.LDAPConnection#setOption
*/
public LDAPControl[] getServerControls() {
return m_serverControls;
}
/**
* Sets the maximum number of milliseconds to wait for any operation
* under these constraints. If 0, there is no maximum time limit
* on waiting for the operation results. If the time limit is exceeded,
* an LDAPException with the result code <CODE>LDAPException.TIME_LIMIT
* </CODE> is thrown.
* @param msLimit Maximum number of milliseconds to wait for operation
* results (0 by default, which means that there is no maximum time
* limit.)
* @see netscape.ldap.LDAPException#LDAP_TIMEOUT
*/
public void setTimeLimit( int msLimit ) {
m_time_limit = msLimit;
}
/**
* Specifies whether or not referrals are followed automatically.
* Specify <CODE>true</CODE> if referrals are to be followed automatically,
* or <CODE>false</CODE> if referrals are to throw an
* <CODE>LDAPReferralException</CODE>.
* (By default, this is set to <CODE>false</CODE>.)
* <P>
* If you set this to <CODE>true</CODE>, you need to create an object of
* this class that implements either the <CODE>LDAPRebind</CODE> or
* <CODE>LDAPBind</CODE> interface. The <CODE>LDAPRebind</CODE> object
* identifies the method for retrieving authentication information which
* will be used when connecting to other LDAP servers during referrals.
* This object should be passed to the <CODE>setRebindProc</CODE> method.
* Alternatively, the <CODE>LDAPBind</CODE> object identifies an
* authentication mechanism to be used instead of the default
* authentication mechanism when following referrals. This
* object should be passed to the <CODE>setBindProc</CODE> method.
* @param doReferrals set to <CODE>true</CODE> if referrals should be
* followed automatically, or <CODE>False</CODE> if referrals should throw
* an <CODE>LDAPReferralException</CODE>
* @see netscape.ldap.LDAPBind
* @see netscape.ldap.LDAPRebind
* @see netscape.ldap.LDAPRebindAuth
*/
public void setReferrals( boolean doReferrals ) {
referrals = doReferrals;
}
/**
* Sets the object that provides the mechanism for authenticating
* to the server on referrals. This object must implement
* the <CODE>LDAPBind</CODE> interface.(By default, this is
* <CODE>null</CODE>.) This method sets the <CODE>LDAPRebind</CODE>
* object to null for this constraint.
* @param bind_proc object to use to authenticate to the server
* on referrals
* @see netscape.ldap.LDAPBind
*/
public void setBindProc( LDAPBind bind_proc ) {
m_bind_proc = bind_proc;
if (bind_proc != null) {
m_rebind_proc = null;
}
}
/**
* Specifies the object that provides the method for getting
* authentication information. This object must belong to a class
* that implements the <CODE>LDAPRebind</CODE> interface.
* (By default, this is <CODE>null</CODE>.) This method sets the
* <CODE>LDAPBind</CODE> object to null for this constraint.
* @param rebind_proc object to use to obtain information for
* authenticating to other LDAP servers during referrals
*/
public void setRebindProc( LDAPRebind rebind_proc ) {
m_rebind_proc = rebind_proc;
if (rebind_proc != null) {
m_bind_proc = null;
}
}
/**
* Sets maximum number of hops to follow in sequence during a referral.
* (By default, this is 5.)
* @param hop_limit maximum number of hops to follow during a referral
*/
public void setHopLimit( int hop_limit ) {
m_hop_limit = hop_limit;
}
/**
* Sets a client control for LDAP operations.
* @param control client control for LDAP operations
* @see netscape.ldap.LDAPControl
*/
public void setClientControls( LDAPControl control ) {
m_clientControls = new LDAPControl[1];
m_clientControls[0] = control;
}
/**
* Sets an array of client controls for LDAP operations.
* @param controls array of client controls for LDAP operations
* @see netscape.ldap.LDAPControl
*/
public void setClientControls( LDAPControl[] controls ) {
m_clientControls = controls;
}
/**
* Sets a server control for LDAP operations.
* @param control server control for LDAP operations
* @see netscape.ldap.LDAPControl
*/
public void setServerControls( LDAPControl control ) {
m_serverControls = new LDAPControl[1];
m_serverControls[0] = control;
}
/**
* Sets an array of server controls for LDAP operations.
* @param controls an array of server controls for LDAP operations
* @see netscape.ldap.LDAPControl
*/
public void setServerControls( LDAPControl[] controls ) {
m_serverControls = controls;
}
/**
* Return a string representation of the object for debugging
*
* @return A string representation of the object
*/
public String toString() {
StringBuffer sb = new StringBuffer("LDAPConstraints {");
sb.append("time limit " + getTimeLimit() + ", ");
sb.append("referrals " + getReferrals() + ", ");
sb.append("hop limit " + getHopLimit() + ", ");
sb.append("bind_proc " + getBindProc() + ", ");
sb.append("rebind_proc " + getRebindProc());
LDAPControl[] controls = getClientControls();
if ( controls != null ) {
sb.append(", client controls ");
for (int i =0; i < controls.length; i++) {
sb.append(controls[i].toString());
if ( i < (controls.length - 1) ) {
sb.append(" ");
}
}
}
controls = getServerControls();
if ( controls != null ) {
sb.append(", server controls ");
for (int i =0; i < controls.length; i++) {
sb.append(controls[i].toString());
if ( i < (controls.length - 1) ) {
sb.append(" ");
}
}
}
sb.append('}');
return sb.toString();
}
/**
* Makes a copy of an existing set of constraints.
* @returns a copy of an existing set of constraints
*/
public Object clone() {
LDAPConstraints o = new LDAPConstraints();
o.m_time_limit = this.m_time_limit;
o.referrals = this.referrals;
o.m_bind_proc = this.m_bind_proc;
o.m_rebind_proc = this.m_rebind_proc;
o.m_hop_limit = this.m_hop_limit;
if ( (this.m_clientControls != null) &&
(this.m_clientControls.length > 0) ) {
o.m_clientControls = new LDAPControl[this.m_clientControls.length];
for( int i = 0; i < this.m_clientControls.length; i++ )
o.m_clientControls[i] =
(LDAPControl)this.m_clientControls[i].clone();
}
if ( (this.m_serverControls != null) &&
(this.m_serverControls.length > 0) ) {
o.m_serverControls = new LDAPControl[this.m_serverControls.length];
for( int i = 0; i < this.m_serverControls.length; i++ )
o.m_serverControls[i] =
(LDAPControl)this.m_serverControls[i].clone();
}
return o;
}
}