/*
* 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.myfaces.tobago.internal.taglib.component;
import javax.servlet.jsp.tagext.TagData;
import javax.servlet.jsp.tagext.TagExtraInfo;
import javax.servlet.jsp.tagext.ValidationMessage;
public class CommandTagExtraInfo extends TagExtraInfo {
private static final ValidationMessage[] EMPTY_MESSAGE = new ValidationMessage[0];
public ValidationMessage[] validate(TagData data) {
Object action = data.getAttribute("action");
Object onclick = data.getAttribute("onclick");
Object link = data.getAttribute("link");
if (link != null && !(action == null && onclick == null)) {
return generateValidationMessages(data);
}
return EMPTY_MESSAGE;
}
private ValidationMessage[] generateValidationMessages(TagData data) {
ValidationMessage[] messages = new ValidationMessage[1];
messages[0] = new ValidationMessage(data.getId(),
"Only one Attribute of action, onclick and link is allowed");
return messages;
}
}