/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you 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 { | |
//the value can be a list of space seperated items | |
String possibleValues[] = getValues(); | |
String[] valuesToBeTested = value.split("\\s"); | |
for (int i = 0; i < valuesToBeTested.length; i++) { | |
for (int j = 0; j < possibleValues.length; j++) { | |
if (possibleValues[j].equals(valuesToBeTested[i])) { | |
break; | |
} | |
if (i == possibleValues.length - 1) | |
throw new EnumValueException("Bad Enumeration value '" + value + "'"); | |
} | |
} | |
//when we reach here we have tested all the values to be correct (applicable) | |
this.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 { | |
/** | |
* | |
*/ | |
private static final long serialVersionUID = 1L; | |
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; | |
} | |
} | |