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A bundle project producing JAX-RS RI bundles. The primary artifact is an "all-in-one" OSGi-fied JAX-RS RI bundle (jaxrs-ri.jar). Attached to that are two compressed JAX-RS RI archives. The first archive (jaxrs-ri.zip) consists of binary RI bits and contains the API jar (under "api" directory), RI libraries (under "lib" directory) as well as all external RI dependencies (under "ext" directory). The secondary archive (jaxrs-ri-src.zip) contains buildable JAX-RS RI source bundle and contains the API jar (under "api" directory), RI sources (under "src" directory) as well as all external RI dependencies (under "ext" directory). The second archive also contains "build.xml" ANT script that builds the RI sources. To build the JAX-RS RI simply unzip the archive, cd to the created jaxrs-ri directory and invoke "ant" from the command line.

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/*
 * Copyright (c) 2010, 2019 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.glassfish.jersey.server.internal.routing;

import java.util.regex.MatchResult;

/**
 * {@link MatchResult} implementation that returns the nested string as a
 * single matching result. This match result mimics matching of a single
 * matching group with group index 0 (the one containing the whole expression).
 *
 * @author Paul Sandoz
 * @author Marek Potociar
 */
final class SingleMatchResult implements MatchResult {

    private final String path;

    /**
     * Construct a match result matching the whole supplied path.
     *
     * @param path matched path.
     */
    public SingleMatchResult(final String path) {
        this.path = stripMatrixParams(path);
    }

    /**
     * Strip the matrix parameters from a path.
     *
     * @return path stripped of matrix parameters.
     */
    private static String stripMatrixParams(final String path) {
        int e = path.indexOf(';');
        if (e == -1) {
            return path;
        }

        int s = 0;
        StringBuilder sb = new StringBuilder();
        do {
            // Append everything up to but not including the ';'
            sb.append(path, s, e);

            // Skip everything up to but not including the '/'
            s = path.indexOf('/', e + 1);
            if (s == -1) {
                break;
            }
            e = path.indexOf(';', s);
        } while (e != -1);

        if (s != -1) {
            // Append any remaining characters
            sb.append(path, s, path.length());
        }

        return sb.toString();
    }


    @Override
    public int start() {
        return 0;
    }

    @Override
    public int start(final int group) {
        if (group == 0) {
            return start();
        }
        throw new IndexOutOfBoundsException();
    }

    @Override
    public int end() {
        return path.length();
    }

    @Override
    public int end(final int group) {
        if (group == 0) {
            return end();
        }
        throw new IndexOutOfBoundsException();
    }

    @Override
    public String group() {
        return path;
    }

    @Override
    public String group(final int group) {
        if (group == 0) {
            return group();
        }
        throw new IndexOutOfBoundsException();
    }

    @Override
    public int groupCount() {
        return 0;
    }
}