org.apache.ws.commons.schema.constants.Enum Maven / Gradle / Ivy
/*
* Copyright 2004,2005 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ws.commons.schema.constants;
/**
* @author mukund
*/
public abstract class Enum {
public static String NULL = "NULL";
protected Enum(String value) {
setValue(value);
}
protected Enum() {
this(NULL);
}
protected abstract String[] getValues();
protected String value = NULL;
public void setValue(String value) {
if (value.equals(Enum.NULL))
this.value = Enum.NULL;
else {
String values[] = getValues();
for (int i = 0; i < values.length; i++) {
if (values[i].equals(value)) {
this.value = value;
break;
}
if (i == values.length - 1)
throw new EnumValueException("Bad Enumeration value '" + value + "'");
}
}
}
public String getValue() {
return value;
}
public String toString() {
return value;
}
public boolean equals(Object what) {
return what.getClass().equals(this.getClass()) &&
((Enum) what).getValue().equals(this.getValue());
}
public static class EnumValueException extends RuntimeException {
public EnumValueException(String mesg) {
super(mesg);
}
}
protected static final int index(String value, String values[]) {
for (int i = 0; i < values.length; i++) {
if (value.equals(values[i]))
return i;
}
return -1;
}
}