Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * ====================================================================
 *
 *  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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

import java.net.URI;
import java.net.URISyntaxException;
import java.util.Stack;

public class Main {
    /**
     * Removes dot segments according to RFC 3986, section 5.2.4
     *
     * @param uri the original URI
     * @return the URI without dot segments
     */
    private static URI removeDotSegments(URI uri) {
        String path = uri.getPath();
        if ((path == null) || (path.indexOf("/.") == -1)) {
            // No dot segments to remove
            return uri;
        }
        String[] inputSegments = path.split("/");
        Stack<String> outputSegments = new Stack<String>();
        for (int i = 0; i < inputSegments.length; i++) {
            if ((inputSegments[i].length() == 0) || (".".equals(inputSegments[i]))) {
                // Do nothing
            } else if ("..".equals(inputSegments[i])) {
                if (!outputSegments.isEmpty()) {
                    outputSegments.pop();
                }
            } else {
                outputSegments.push(inputSegments[i]);
            }
        }
        StringBuilder outputBuffer = new StringBuilder();
        for (String outputSegment : outputSegments) {
            outputBuffer.append('/').append(outputSegment);
        }
        try {
            return new URI(uri.getScheme(), uri.getAuthority(), outputBuffer.toString(), uri.getQuery(),
                    uri.getFragment());
        } catch (URISyntaxException e) {
            throw new IllegalArgumentException(e);
        }
    }
}