113 lines
2.8 KiB
Java
113 lines
2.8 KiB
Java
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil -*-
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*
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* The contents of this file are subject to the Mozilla 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/MPL/
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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 the Grendel mail/news client.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1997 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 calypso.util;
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/**
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* Simple attribute/value pair class
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*
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* XXX add in a recylcer
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* XXX add in a method to reconsitute one from an InputStream/String?
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*/
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public class AttributeValuePair {
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protected Atom fName;
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protected String fValue;
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public AttributeValuePair(String aName, String aValue) {
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this(Atom.Find(aName), aValue);
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}
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public AttributeValuePair(Atom aName, String aValue) {
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fName = aName;
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fValue = aValue;
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}
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public Atom getName() {
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return fName;
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}
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public String getValue() {
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return fValue;
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}
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public boolean equals(Object aObject) {
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if ((null != aObject) && (aObject instanceof AttributeValuePair)) {
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AttributeValuePair other = (AttributeValuePair) aObject;
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if (fName.equals(other.fName)) {
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if (fValue != null) {
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return fValue.equals(other.fValue);
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}
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if (other.fValue == null) {
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return true;
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}
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}
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}
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return false;
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}
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public int hashCode() {
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int h = fName.hashCode();
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if (null != fValue) {
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h = (h << 5) + fValue.hashCode();
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}
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return h;
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}
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public String toString() {
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StringBuf sbuf = StringBuf.Alloc();
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sbuf.append(fName);
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if (fValue != null) {
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sbuf.append("=");
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sbuf.append(quoteValue());
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}
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String rv = sbuf.toString();
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StringBuf.Recycle(sbuf);
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return rv;
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}
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/**
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* Quote the value portion of an attribute,value pair making it
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* suitable for reading in later. We assume "C" style quoting
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* by backslashing quotes embedded in the value.
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*/
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protected String quoteValue() {
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if (fValue == null) {
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return "\"\"";
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}
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StringBuf buf = StringBuf.Alloc();
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buf.append('"');
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int n = fValue.length();
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for (int i = 0; i < n; i++) {
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char ch = fValue.charAt(i);
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if (ch == '"') {
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buf.append("\"");
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} else {
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buf.append(ch);
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}
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}
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buf.append('"');
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String rv = buf.toString();
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StringBuf.Recycle(buf);
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return rv;
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}
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}
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