src/main/java/org/apache/maven/plugins/jira/UrlBuilder.java

/*
 * 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.maven.plugins.jira;

/**
 * Builder for a URL which build up of host part, a context part and 0 or more parameters.
 *
 * @author ton.swieb@finalist.com
 * @version $Id$
 * @since 2.8
 */
public class UrlBuilder {
    private static final String AMPERSAND = "&";

    private static final String QUESTION_MARK = "?";

    private StringBuilder query = new StringBuilder();

    public UrlBuilder(String url, String context) {
        query.append(url).append("/").append(context);
    }

    public UrlBuilder addParameter(String key, String value) {
        if (key != null && value != null) {
            if (query.toString().contains(QUESTION_MARK)) {
                query.append(AMPERSAND);
            } else {
                query.append(QUESTION_MARK);
            }
            query.append(key).append("=").append(value);
        }
        return this;
    }

    public UrlBuilder addParameter(String key, int value) {
        addParameter(key, String.valueOf(value));
        return this;
    }

    public String build() {
        return query.toString();
    }
}