com.sun.enterprise.admin.util.TokenValue Maven / Gradle / Ivy
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/*
* Copyright 2004-2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* TokenValue.java
*
* Created on March 6, 2003, 1:25 PM
*/
package com.sun.enterprise.admin.util;
/**
*
* @author kedar
*/
public final class TokenValue implements Comparable {
public final String token;
public final String value;
public final String delimiter;
public final String delimitedToken;
public static final String DEFAULT_DELIMITER = "%%%";
/** Creates a new instance of TokenValue - with default delimiter.
* Also note that if the value contains any '\' characters, then these
* are appended to by another '\' character to work around the Java
* byte code interpretation. Note that none of the arguments can be null.
* The value of delimiter is given by DEFAULT_DELIMITER.
* @param token a String that is the name of the token in this TokenValue.
* @param value a String that is the value of the token.
* @throws IllegalArgumentException in case of null values.
* @see #TokenValue(java.lang.String, java.lang.String, java.lang.String)
* @see #DEFAULT_DELIMITER
* */
public TokenValue(String token, String value) {
this(token, value, DEFAULT_DELIMITER);
}
public TokenValue(String token, String value, String delimiter) {
if (token == null || value == null || delimiter == null) {
throw new IllegalArgumentException("Null Argument");
}
this.token = token;
/* Because of escaping process of a '\' by Java's bytecode
* interpreter in string literals */
this.value = escapeBackslashes(value);
this.delimiter = delimiter;
this.delimitedToken = delimiter + token + delimiter;
}
public TokenValue(TokenValue other) {
this.token = other.token;
this.value = other.value;
this.delimiter = other.delimiter;
this.delimitedToken = other.delimitedToken;
}
public int compareTo(Object other) {
final TokenValue otherTokenValue = (TokenValue) other;
return (this.token.compareTo(otherTokenValue.token));
}
public boolean equals(Object other) {
boolean same = false;
if (other instanceof TokenValue) {
same = token.equals(((TokenValue)other).token) &&
delimiter.equals(((TokenValue)other).value);
}
return (same);
}
public int hashCode() {
int result = 43;
result = 17 * result + token.hashCode();
result = 17 * result + delimiter.hashCode();
result = 17 * result + value.hashCode();
return ( result );
}
public String toString() {
return ( delimiter + token + delimiter + "=" + value);
}
/** Just appends additional '\' characters in the passed string. */
private String escapeBackslashes(String anyString) {
final char BACK_SLASH = '\\';
final StringBuffer escaped = new StringBuffer();
for(int i = 0 ; i < anyString.length() ; i++) {
final char ch = anyString.charAt(i);
escaped.append(ch);
if (ch == BACK_SLASH) {
escaped.append(BACK_SLASH);
}
}
return ( escaped.toString() );
}
}