/*
* Copyright 2010 Alibaba Group Holding Limited.
* All rights reserved.
*
* 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 com.alibaba.antx.config.descriptor.validator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.alibaba.antx.config.descriptor.ConfigValidator;
import com.alibaba.antx.config.descriptor.ConfigValidatorException;
import com.alibaba.antx.util.StringUtil;
public class ChoiceValidator extends ConfigValidator {
private static final Logger log = LoggerFactory.getLogger(ChoiceValidator.class);
private String[] choices;
@Override
public Logger getLogger() {
return log;
}
public String[] getAllChoices() {
return choices;
}
public void setChoice(String choice) {
choices = StringUtil.split(choice);
}
@Override
public boolean validate(String value) {
String[] choices = getAllChoices();
if (choices == null || choices.length == 0) {
throw new ConfigValidatorException("You must define an attribute called 'choice' for choice validator");
}
if (value == null) {
return true;
}
value = value.trim();
if (StringUtil.isEmpty(value)) {
return true;
}
if (getLogger().isDebugEnabled()) {
StringBuffer buffer = new StringBuffer();
buffer.append("Validating value with choice[");
for (int i = 0; i < choices.length; i++) {
if (i > 0) {
buffer.append(", ");
}
buffer.append(choices[i]);
}
buffer.append("]: ").append(value);
getLogger().debug(buffer.toString());
}
for (String choice : choices) {
if (value.equals(choice)) {
return true;
}
}
return false;
}
@Override
protected String getDefaultMessage() {
StringBuffer buffer = new StringBuffer("������������ֵ��ѡ��");
String[] choices = getAllChoices();
for (int i = 0; i < choices.length; i++) {
if (i > 0) {
buffer.append(", ");
}
buffer.append(choices[i]);
}
return buffer.toString();
}
}