/* | |
* Copyright 2004,2007 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; | |
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; | |
} | |
} | |