javax.mail.search.AddressStringTerm Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package javax.mail.search;
import javax.mail.Message;
import javax.mail.Address;
import javax.mail.internet.InternetAddress;
/**
* This abstract class implements string comparisons for Message
* addresses.
*
* Note that this class differs from the AddressTerm class
* in that this class does comparisons on address strings rather than
* Address objects.
*
* @since JavaMail 1.1
*/
public abstract class AddressStringTerm extends StringTerm {
private static final long serialVersionUID = 3086821234204980368L;
/**
* Constructor.
*
* @param pattern the address pattern to be compared.
*/
protected AddressStringTerm(String pattern) {
super(pattern, true); // we need case-insensitive comparison.
}
/**
* Check whether the address pattern specified in the constructor is
* a substring of the string representation of the given Address
* object.
*
* Note that if the string representation of the given Address object
* contains charset or transfer encodings, the encodings must be
* accounted for, during the match process.
*
* @param a The comparison is applied to this Address object.
* @return true if the match succeeds, otherwise false.
*/
protected boolean match(Address a) {
if (a instanceof InternetAddress) {
InternetAddress ia = (InternetAddress)a;
// We dont use toString() to get "a"'s String representation,
// because InternetAddress.toString() returns a RFC 2047
// encoded string, which isn't what we need here.
return super.match(ia.toUnicodeString());
} else
return super.match(a.toString());
}
/**
* Equality comparison.
*/
@Override
public boolean equals(Object obj) {
if (!(obj instanceof AddressStringTerm))
return false;
return super.equals(obj);
}
}