Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2006-2010 the original author or authors.
 *
 * 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 java.util.*;

public class Main {
    /** Dynamic namespace prefix suffix */
    public static final String DYNAMIC_NS_START = "{";
    public static final String DYNAMIC_NS_END = "}";
    /** Dynamic namespace prefix */
    private static final String DYNAMIC_NS_PREFIX = "dns";

    /**
     * Extracts dynamic namespaces that are inline inside a XPath expression. Example:
     * <code>/{http://sample.org/foo}foo/{http://sample.org/bar}bar</code>
     * @param expression
     * @return
     */
    public static Map<String, String> getDynamicNamespaces(String expression) {
        Map<String, String> namespaces = new HashMap<String, String>();

        if (expression.contains(DYNAMIC_NS_START) && expression.contains(DYNAMIC_NS_END)) {
            String[] tokens = expression.split("\\" + DYNAMIC_NS_START);

            for (int i = 1; i < tokens.length; i++) {
                String namespace = tokens[i].substring(0, tokens[i].indexOf(DYNAMIC_NS_END));

                if (!namespaces.containsValue(namespace)) {
                    namespaces.put(DYNAMIC_NS_PREFIX + i, namespace);
                }
            }
        }

        return namespaces;
    }
}