Java XML Attribute Get getAttributeEnum(Node node, String attributeName, Class enumClass)

Description

get Attribute Enum

License

Open Source License

Declaration

public static <T extends Enum<T>> T getAttributeEnum(Node node, String attributeName, Class<T> enumClass) 

Method Source Code

//package com.java2s;
/*//from  www .  ja  va 2 s  .c o  m
 * Copyright (c) 2008-2016, GigaSpaces Technologies, Inc. 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.
 */

import org.w3c.dom.Node;

public class Main {
    public static <T extends Enum<T>> T getAttributeEnum(Node node, String attributeName, Class<T> enumClass) {
        return getAttributeEnum(node, attributeName, enumClass, null, false);
    }

    public static <T extends Enum<T>> T getAttributeEnum(Node node, String attributeName, Class<T> enumClass,
            T defaultValue) {
        return getAttributeEnum(node, attributeName, enumClass, defaultValue, false);
    }

    public static <T extends Enum<T>> T getAttributeEnum(Node node, String attributeName, Class<T> enumClass,
            T defaultValue, boolean throwOnError) {
        String value = getAttribute(node, attributeName, null);
        if (value == null || value == "")
            return defaultValue;

        try {
            return Enum.valueOf(enumClass, value.toUpperCase());
        } catch (IllegalArgumentException e) {
            if (throwOnError)
                throw e;

            // TODO: Log warning.
            return defaultValue;
        }
    }

    public static String getAttribute(Node node, String attributeName) {
        return getAttribute(node, attributeName, null);
    }

    public static String getAttribute(Node node, String attributeName, String defaultValue) {
        Node attribute = node.getAttributes().getNamedItem(attributeName);
        return attribute != null ? attribute.getTextContent().trim() : defaultValue;
    }
}

Related

1. getAttributeByName(final List elements, final String attributeName)
2. getAttributeByName(Node content, String attributeName)
3. getAttributeByName(Node node, String name, boolean defaultValue)
4. getAttributeByName(Node node, String name, String defaultValue)
5. getAttributeContent(Node item, String attributeName)
6. getAttributeFloatValue(String attribute, NamedNodeMap namedNodeMap)
7. getAttributeFromClosestAncestorOfAnyKind(Node node, String attributeName)
8. getAttributeIfExists(Node node, String name)
9. getAttributeIgnoreCase(Element element, String attributeName)