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Commons JXPath example source code file (TypeUtils.java)

This example Commons JXPath source code file (TypeUtils.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons JXPath tags/keywords

basictypeconverter, class, class, hashmap, hashmap, object, object, primitive_type_map, typeconverter, typeconverter, typeutils, util

The Commons JXPath TypeUtils.java source code

/*
 * 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.commons.jxpath.util;

import java.util.HashMap;

/**
 * Global type conversion utilities.
 *
 * @author Dmitri Plotnikov
 * @version $Revision: 652845 $ $Date: 2008-05-02 12:46:46 -0500 (Fri, 02 May 2008) $
 */
public class TypeUtils {
    private static TypeConverter typeConverter = new BasicTypeConverter();
    private static final HashMap PRIMITIVE_TYPE_MAP = new HashMap() {
        {
            put(int.class, Integer.class);
            put(byte.class, Byte.class);
            put(short.class, Short.class);
            put(char.class, Character.class);
            put(long.class, Long.class);
            put(float.class, Float.class);
            put(double.class, Double.class);
            put(boolean.class, Boolean.class);
        }
    };

    /**
     * Install an alternative type converter.
     * @param converter new TypeConverter
     */
    public static synchronized void setTypeConverter(TypeConverter converter) {
        typeConverter = converter;
    }

    /**
     * Returns the current type converter.
     * @return TypeConverter
     */
    public static TypeConverter getTypeConverter() {
        return typeConverter;
    }

    /**
     * Returns true if the global converter can convert the supplied
     * object to the specified type.
     * @param object object to test
     * @param toType target class
     * @return boolean
     */
    public static boolean canConvert(Object object, Class toType) {
        return typeConverter.canConvert(object, toType);
    }

    /**
     * Converts the supplied object to the specified type. May
     * throw a RuntimeException.
     * @param object object to convert
     * @param toType target class
     * @return resulting Object
     */
    public static Object convert(Object object, Class toType) {
        return typeConverter.convert(object, toType);
    }

    /**
     * Return the appropriate wrapper type for the specified class.
     * @param p Class for which to retrieve a wrapper class.
     * @return the wrapper if <code>p is primitive, else p.
     * @since JXPath 1.3
     */
    public static Class wrapPrimitive(Class p) {
        return p.isPrimitive() ? (Class) PRIMITIVE_TYPE_MAP.get(p) : p;
    }
}

Other Commons JXPath examples (source code examples)

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