Package com.google.code.javax.mail.search

Source Code of com.google.code.javax.mail.search.AddressStringTerm

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package com.google.code.javax.mail.search;

import com.google.code.javax.mail.Message;
import com.google.code.javax.mail.Address;
import com.google.code.javax.mail.internet.InternetAddress;

/**
* This abstract class implements string comparisons for Message
* addresses. <p>
*
* Note that this class differs from the <code>AddressTerm</code> 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. <p>
     *
     * 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. <p>
     *
     * @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.
     */
    public boolean equals(Object obj) {
  if (!(obj instanceof AddressStringTerm))
      return false;
  return super.equals(obj);
    }
}
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