001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.wsclient.services;
021    
022    import java.util.Date;
023    
024    /**
025     * @since 2.2
026     */
027    public abstract class AbstractQuery<MODEL extends Model> {
028    
029      /**
030       * Default timeout for waiting data, in milliseconds.
031       *
032       * @since 2.10
033       */
034      public static final int DEFAULT_TIMEOUT_MILLISECONDS = 30 * 1000;
035    
036      private int timeoutMilliseconds = DEFAULT_TIMEOUT_MILLISECONDS;
037    
038      // accepted-language as defined in http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
039      private String locale;
040    
041      /**
042       * Must start with a slash, for example: /api/metrics
043       * <p>
044       * IMPORTANT: In implementations of this method we must use helper methods to construct URL.
045       * </p>
046       *
047       * @see #encode(String)
048       * @see #appendUrlParameter(StringBuilder, String, Object)
049       * @see #appendUrlParameter(StringBuilder, String, Object[])
050       * @see #appendUrlParameter(StringBuilder, String, Date, boolean)
051       */
052      public abstract String getUrl();
053    
054      /**
055       * Request body. By default it is empty but it can be overridden.
056       */
057      public String getBody() {
058        return null;
059      }
060    
061      /**
062       * Get the timeout for waiting data, in milliseconds. A value of zero is interpreted as an infinite timeout.
063       *
064       * @since 2.10
065       */
066      public final int getTimeoutMilliseconds() {
067        return timeoutMilliseconds;
068      }
069    
070      /**
071       * Set the timeout for waiting data, in milliseconds. Avalue of zero is interpreted as an infinite timeout.
072       *
073       * @since 2.10
074       */
075      public final AbstractQuery<MODEL> setTimeoutMilliseconds(int i) {
076        this.timeoutMilliseconds = (i < 0 ? 0 : i);
077        return this;
078      }
079    
080      /**
081       * Accepted-language, as defined in http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
082       *
083       * @since 2.10
084       */
085      public final String getLocale() {
086        return locale;
087      }
088    
089      /**
090       * Set the Accepted-language HTTP parameter
091       *
092       * @since 2.10
093       */
094      public final AbstractQuery<MODEL> setLocale(String locale) {
095        this.locale = locale;
096        return this;
097      }
098    
099      /**
100       * Encodes single parameter value.
101       */
102      protected static String encode(String value) {
103        return WSUtils.getINSTANCE().encodeUrl(value);
104      }
105    
106      protected static void appendUrlParameter(StringBuilder url, String paramKey, Object paramValue) {
107        if (paramValue != null) {
108          url.append(paramKey)
109              .append('=')
110              .append(encode(paramValue.toString()))
111              .append('&');
112        }
113      }
114    
115      protected static void appendUrlParameter(StringBuilder url, String paramKey, Object[] paramValues) {
116        if (paramValues != null) {
117          url.append(paramKey).append('=');
118          for (int index = 0; index < paramValues.length; index++) {
119            if (index > 0) {
120              url.append(',');
121            }
122            if (paramValues[index] != null) {
123              url.append(encode(paramValues[index].toString()));
124            }
125          }
126          url.append('&');
127        }
128      }
129    
130      protected static void appendUrlParameter(StringBuilder url, String paramKey, Date paramValue, boolean includeTime) {
131        if (paramValue != null) {
132          String format = (includeTime ? "yyyy-MM-dd'T'HH:mm:ssZ" : "yyyy-MM-dd");
133          url.append(paramKey)
134              .append('=')
135              .append(encode(WSUtils.getINSTANCE().format(paramValue, format)))
136              .append('&');
137        }
138      }
139    }