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4 <title>HttpResource xref</title>
5 <link type="text/css" rel="stylesheet" href="../../../stylesheet.css" />
8 <div id="overview"><a href="../../../../apidocs/de/juplo/httpresources/HttpResource.html">View Javadoc</a></div><pre>
9 <a class="jxr_linenumber" name="L1" href="#L1">1</a> <strong class="jxr_keyword">package</strong> de.juplo.httpresources;
10 <a class="jxr_linenumber" name="L2" href="#L2">2</a>
11 <a class="jxr_linenumber" name="L3" href="#L3">3</a> <strong class="jxr_keyword">import</strong> org.springframework.http.HttpHeaders;
12 <a class="jxr_linenumber" name="L4" href="#L4">4</a> <strong class="jxr_keyword">import</strong> org.springframework.util.MimeType;
13 <a class="jxr_linenumber" name="L5" href="#L5">5</a>
14 <a class="jxr_linenumber" name="L6" href="#L6">6</a> <strong class="jxr_keyword">import</strong> java.io.*;
15 <a class="jxr_linenumber" name="L7" href="#L7">7</a> <strong class="jxr_keyword">import</strong> java.net.URI;
16 <a class="jxr_linenumber" name="L8" href="#L8">8</a> <strong class="jxr_keyword">import</strong> java.net.URL;
17 <a class="jxr_linenumber" name="L9" href="#L9">9</a> <strong class="jxr_keyword">import</strong> java.time.Clock;
18 <a class="jxr_linenumber" name="L10" href="#L10">10</a> <strong class="jxr_keyword">import</strong> java.util.Objects;
19 <a class="jxr_linenumber" name="L11" href="#L11">11</a>
20 <a class="jxr_linenumber" name="L12" href="#L12">12</a>
21 <a class="jxr_linenumber" name="L13" href="#L13">13</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a name="HttpResource" href="../../../de/juplo/httpresources/HttpResource.html#HttpResource">HttpResource</a> <strong class="jxr_keyword">implements</strong> org.springframework.web.servlet.resource.HttpResource
22 <a class="jxr_linenumber" name="L14" href="#L14">14</a> {
23 <a class="jxr_linenumber" name="L15" href="#L15">15</a> <strong class="jxr_keyword">final</strong> <a name="HttpResources" href="../../../de/juplo/httpresources/HttpResources.html#HttpResources">HttpResources</a> resources;
24 <a class="jxr_linenumber" name="L16" href="#L16">16</a> <strong class="jxr_keyword">final</strong> <a name="HttpResourceFetcher" href="../../../de/juplo/httpresources/HttpResourceFetcher.html#HttpResourceFetcher">HttpResourceFetcher</a> fetcher;
25 <a class="jxr_linenumber" name="L17" href="#L17">17</a> <strong class="jxr_keyword">final</strong> Clock clock;
26 <a class="jxr_linenumber" name="L18" href="#L18">18</a> <strong class="jxr_keyword">final</strong> URI uri;
27 <a class="jxr_linenumber" name="L19" href="#L19">19</a>
28 <a class="jxr_linenumber" name="L20" href="#L20">20</a> <a name="HttpData" href="../../../de/juplo/httpresources/HttpData.html#HttpData">HttpData</a> data;
29 <a class="jxr_linenumber" name="L21" href="#L21">21</a> <strong class="jxr_keyword">boolean</strong> modified;
30 <a class="jxr_linenumber" name="L22" href="#L22">22</a>
31 <a class="jxr_linenumber" name="L23" href="#L23">23</a> <a name="HttpResource" href="../../../de/juplo/httpresources/HttpResource.html#HttpResource">HttpResource</a>(
32 <a class="jxr_linenumber" name="L24" href="#L24">24</a> <a name="HttpResources" href="../../../de/juplo/httpresources/HttpResources.html#HttpResources">HttpResources</a> resources,
33 <a class="jxr_linenumber" name="L25" href="#L25">25</a> <a name="HttpResourceFetcher" href="../../../de/juplo/httpresources/HttpResourceFetcher.html#HttpResourceFetcher">HttpResourceFetcher</a> fetcher,
34 <a class="jxr_linenumber" name="L26" href="#L26">26</a> Clock clock,
35 <a class="jxr_linenumber" name="L27" href="#L27">27</a> URI uri)
36 <a class="jxr_linenumber" name="L28" href="#L28">28</a> {
37 <a class="jxr_linenumber" name="L29" href="#L29">29</a> <strong class="jxr_keyword">this</strong>(resources, fetcher, clock, uri, HttpData.NOT_FETCHED);
38 <a class="jxr_linenumber" name="L30" href="#L30">30</a> }
39 <a class="jxr_linenumber" name="L31" href="#L31">31</a>
40 <a class="jxr_linenumber" name="L32" href="#L32">32</a> <a name="HttpResource" href="../../../de/juplo/httpresources/HttpResource.html#HttpResource">HttpResource</a>(
41 <a class="jxr_linenumber" name="L33" href="#L33">33</a> <a name="HttpResources" href="../../../de/juplo/httpresources/HttpResources.html#HttpResources">HttpResources</a> resources,
42 <a class="jxr_linenumber" name="L34" href="#L34">34</a> <a name="HttpResourceFetcher" href="../../../de/juplo/httpresources/HttpResourceFetcher.html#HttpResourceFetcher">HttpResourceFetcher</a> fetcher,
43 <a class="jxr_linenumber" name="L35" href="#L35">35</a> Clock clock,
44 <a class="jxr_linenumber" name="L36" href="#L36">36</a> URI uri,
45 <a class="jxr_linenumber" name="L37" href="#L37">37</a> <a name="HttpData" href="../../../de/juplo/httpresources/HttpData.html#HttpData">HttpData</a> data)
46 <a class="jxr_linenumber" name="L38" href="#L38">38</a> {
47 <a class="jxr_linenumber" name="L39" href="#L39">39</a> <strong class="jxr_keyword">this</strong>.resources = resources;
48 <a class="jxr_linenumber" name="L40" href="#L40">40</a> <strong class="jxr_keyword">this</strong>.fetcher = fetcher;
49 <a class="jxr_linenumber" name="L41" href="#L41">41</a> <strong class="jxr_keyword">this</strong>.clock = clock;
50 <a class="jxr_linenumber" name="L42" href="#L42">42</a> <strong class="jxr_keyword">this</strong>.uri = uri;
51 <a class="jxr_linenumber" name="L43" href="#L43">43</a> <strong class="jxr_keyword">this</strong>.data = data;
52 <a class="jxr_linenumber" name="L44" href="#L44">44</a> }
53 <a class="jxr_linenumber" name="L45" href="#L45">45</a>
54 <a class="jxr_linenumber" name="L46" href="#L46">46</a>
55 <a class="jxr_linenumber" name="L47" href="#L47">47</a> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> expires()
56 <a class="jxr_linenumber" name="L48" href="#L48">48</a> {
57 <a class="jxr_linenumber" name="L49" href="#L49">49</a> <strong class="jxr_keyword">return</strong> data.expires;
58 <a class="jxr_linenumber" name="L50" href="#L50">50</a> }
59 <a class="jxr_linenumber" name="L51" href="#L51">51</a>
60 <a class="jxr_linenumber" name="L52" href="#L52">52</a> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isExpired()
61 <a class="jxr_linenumber" name="L53" href="#L53">53</a> {
62 <a class="jxr_linenumber" name="L54" href="#L54">54</a> <strong class="jxr_keyword">return</strong> data.expires < clock.millis();
63 <a class="jxr_linenumber" name="L55" href="#L55">55</a> }
64 <a class="jxr_linenumber" name="L56" href="#L56">56</a>
65 <a class="jxr_linenumber" name="L57" href="#L57">57</a> @Override
66 <a class="jxr_linenumber" name="L58" href="#L58">58</a> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> exists()
67 <a class="jxr_linenumber" name="L59" href="#L59">59</a> {
68 <a class="jxr_linenumber" name="L60" href="#L60">60</a> <strong class="jxr_keyword">if</strong> (isExpired())
69 <a class="jxr_linenumber" name="L61" href="#L61">61</a> fetch();
70 <a class="jxr_linenumber" name="L62" href="#L62">62</a> <strong class="jxr_keyword">return</strong> data.content != <strong class="jxr_keyword">null</strong>;
71 <a class="jxr_linenumber" name="L63" href="#L63">63</a> }
72 <a class="jxr_linenumber" name="L64" href="#L64">64</a>
73 <a class="jxr_linenumber" name="L65" href="#L65">65</a> @Override
74 <a class="jxr_linenumber" name="L66" href="#L66">66</a> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isReadable()
75 <a class="jxr_linenumber" name="L67" href="#L67">67</a> {
76 <a class="jxr_linenumber" name="L68" href="#L68">68</a> <strong class="jxr_keyword">return</strong> exists();
77 <a class="jxr_linenumber" name="L69" href="#L69">69</a> }
78 <a class="jxr_linenumber" name="L70" href="#L70">70</a>
79 <a class="jxr_linenumber" name="L71" href="#L71">71</a> @Override
80 <a class="jxr_linenumber" name="L72" href="#L72">72</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isOpen()
81 <a class="jxr_linenumber" name="L73" href="#L73">73</a> {
82 <a class="jxr_linenumber" name="L74" href="#L74">74</a> <strong class="jxr_keyword">return</strong> false;
83 <a class="jxr_linenumber" name="L75" href="#L75">75</a> }
84 <a class="jxr_linenumber" name="L76" href="#L76">76</a>
85 <a class="jxr_linenumber" name="L77" href="#L77">77</a> @Override
86 <a class="jxr_linenumber" name="L78" href="#L78">78</a> <strong class="jxr_keyword">public</strong> URL getURL() <strong class="jxr_keyword">throws</strong> IOException
87 <a class="jxr_linenumber" name="L79" href="#L79">79</a> {
88 <a class="jxr_linenumber" name="L80" href="#L80">80</a> <strong class="jxr_keyword">return</strong> uri.toURL();
89 <a class="jxr_linenumber" name="L81" href="#L81">81</a> }
90 <a class="jxr_linenumber" name="L82" href="#L82">82</a>
91 <a class="jxr_linenumber" name="L83" href="#L83">83</a> @Override
92 <a class="jxr_linenumber" name="L84" href="#L84">84</a> <strong class="jxr_keyword">public</strong> URI getURI()
93 <a class="jxr_linenumber" name="L85" href="#L85">85</a> {
94 <a class="jxr_linenumber" name="L86" href="#L86">86</a> <strong class="jxr_keyword">return</strong> uri;
95 <a class="jxr_linenumber" name="L87" href="#L87">87</a> }
96 <a class="jxr_linenumber" name="L88" href="#L88">88</a>
97 <a class="jxr_linenumber" name="L89" href="#L89">89</a> @Override
98 <a class="jxr_linenumber" name="L90" href="#L90">90</a> <strong class="jxr_keyword">public</strong> File getFile() <strong class="jxr_keyword">throws</strong> IOException
99 <a class="jxr_linenumber" name="L91" href="#L91">91</a> {
100 <a class="jxr_linenumber" name="L92" href="#L92">92</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> FileNotFoundException(<span class="jxr_string">"The resource "</span> + getDescription() + <span class="jxr_string">" cannot be retrived as file"</span>);
101 <a class="jxr_linenumber" name="L93" href="#L93">93</a> }
102 <a class="jxr_linenumber" name="L94" href="#L94">94</a>
103 <a class="jxr_linenumber" name="L95" href="#L95">95</a> @Override
104 <a class="jxr_linenumber" name="L96" href="#L96">96</a> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> contentLength() <strong class="jxr_keyword">throws</strong> IOException
105 <a class="jxr_linenumber" name="L97" href="#L97">97</a> {
106 <a class="jxr_linenumber" name="L98" href="#L98">98</a> <strong class="jxr_keyword">if</strong> (!fetched())
107 <a class="jxr_linenumber" name="L99" href="#L99">99</a> fetch();
108 <a class="jxr_linenumber" name="L100" href="#L100">100</a>
109 <a class="jxr_linenumber" name="L101" href="#L101">101</a> <strong class="jxr_keyword">if</strong> (data.content == <strong class="jxr_keyword">null</strong>)
110 <a class="jxr_linenumber" name="L102" href="#L102">102</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> FileNotFoundException(<span class="jxr_string">"The resource "</span> + getDescription() + <span class="jxr_string">" cannot be retrived"</span>);
111 <a class="jxr_linenumber" name="L103" href="#L103">103</a>
112 <a class="jxr_linenumber" name="L104" href="#L104">104</a> <strong class="jxr_keyword">return</strong> data.content.length;
113 <a class="jxr_linenumber" name="L105" href="#L105">105</a> }
114 <a class="jxr_linenumber" name="L106" href="#L106">106</a>
115 <a class="jxr_linenumber" name="L107" href="#L107">107</a> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">public</strong> MimeType contentType()
116 <a class="jxr_linenumber" name="L108" href="#L108">108</a> {
117 <a class="jxr_linenumber" name="L109" href="#L109">109</a> <strong class="jxr_keyword">return</strong> data.headers.getContentType();
118 <a class="jxr_linenumber" name="L110" href="#L110">110</a> }
119 <a class="jxr_linenumber" name="L111" href="#L111">111</a>
120 <a class="jxr_linenumber" name="L112" href="#L112">112</a> @Override
121 <a class="jxr_linenumber" name="L113" href="#L113">113</a> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> lastModified() <strong class="jxr_keyword">throws</strong> IOException
122 <a class="jxr_linenumber" name="L114" href="#L114">114</a> {
123 <a class="jxr_linenumber" name="L115" href="#L115">115</a> <strong class="jxr_keyword">if</strong> (!fetched())
124 <a class="jxr_linenumber" name="L116" href="#L116">116</a> fetch();
125 <a class="jxr_linenumber" name="L117" href="#L117">117</a>
126 <a class="jxr_linenumber" name="L118" href="#L118">118</a> <strong class="jxr_keyword">if</strong> (data.content == <strong class="jxr_keyword">null</strong>)
127 <a class="jxr_linenumber" name="L119" href="#L119">119</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> FileNotFoundException(<span class="jxr_string">"The resource "</span> + getDescription() + <span class="jxr_string">" cannot be retrived"</span>);
128 <a class="jxr_linenumber" name="L120" href="#L120">120</a>
129 <a class="jxr_linenumber" name="L121" href="#L121">121</a> <strong class="jxr_keyword">return</strong> data.lastModified;
130 <a class="jxr_linenumber" name="L122" href="#L122">122</a> }
131 <a class="jxr_linenumber" name="L123" href="#L123">123</a>
132 <a class="jxr_linenumber" name="L124" href="#L124">124</a> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">public</strong> String eTag()
133 <a class="jxr_linenumber" name="L125" href="#L125">125</a> {
134 <a class="jxr_linenumber" name="L126" href="#L126">126</a> <strong class="jxr_keyword">return</strong> data.eTag;
135 <a class="jxr_linenumber" name="L127" href="#L127">127</a> }
136 <a class="jxr_linenumber" name="L128" href="#L128">128</a>
137 <a class="jxr_linenumber" name="L129" href="#L129">129</a> @Override
138 <a class="jxr_linenumber" name="L130" href="#L130">130</a> <strong class="jxr_keyword">public</strong> <a name="HttpResource" href="../../../de/juplo/httpresources/HttpResource.html#HttpResource">HttpResource</a> createRelative(String relativePath) <strong class="jxr_keyword">throws</strong> IOException
139 <a class="jxr_linenumber" name="L131" href="#L131">131</a> {
140 <a class="jxr_linenumber" name="L132" href="#L132">132</a> <strong class="jxr_keyword">try</strong>
141 <a class="jxr_linenumber" name="L133" href="#L133">133</a> {
142 <a class="jxr_linenumber" name="L134" href="#L134">134</a> <strong class="jxr_keyword">return</strong> createRelative(HttpResources.convert(relativePath));
143 <a class="jxr_linenumber" name="L135" href="#L135">135</a> }
144 <a class="jxr_linenumber" name="L136" href="#L136">136</a> <strong class="jxr_keyword">catch</strong> (IllegalArgumentException e)
145 <a class="jxr_linenumber" name="L137" href="#L137">137</a> {
146 <a class="jxr_linenumber" name="L138" href="#L138">138</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Invalid relative path: "</span> + relativePath, e);
147 <a class="jxr_linenumber" name="L139" href="#L139">139</a> }
148 <a class="jxr_linenumber" name="L140" href="#L140">140</a> }
149 <a class="jxr_linenumber" name="L141" href="#L141">141</a>
150 <a class="jxr_linenumber" name="L142" href="#L142">142</a> <strong class="jxr_keyword">public</strong> <a name="HttpResource" href="../../../de/juplo/httpresources/HttpResource.html#HttpResource">HttpResource</a> createRelative(URI relative) <strong class="jxr_keyword">throws</strong> IOException
151 <a class="jxr_linenumber" name="L143" href="#L143">143</a> {
152 <a class="jxr_linenumber" name="L144" href="#L144">144</a> <strong class="jxr_keyword">return</strong> resources.getResource(HttpResources.resolve(relative, uri));
153 <a class="jxr_linenumber" name="L145" href="#L145">145</a> }
154 <a class="jxr_linenumber" name="L146" href="#L146">146</a>
155 <a class="jxr_linenumber" name="L147" href="#L147">147</a> @Override
156 <a class="jxr_linenumber" name="L148" href="#L148">148</a> <strong class="jxr_keyword">public</strong> String getFilename()
157 <a class="jxr_linenumber" name="L149" href="#L149">149</a> {
158 <a class="jxr_linenumber" name="L150" href="#L150">150</a> <strong class="jxr_keyword">return</strong> uri.getPath();
159 <a class="jxr_linenumber" name="L151" href="#L151">151</a> }
160 <a class="jxr_linenumber" name="L152" href="#L152">152</a>
161 <a class="jxr_linenumber" name="L153" href="#L153">153</a> @Override
162 <a class="jxr_linenumber" name="L154" href="#L154">154</a> <strong class="jxr_keyword">public</strong> String getDescription()
163 <a class="jxr_linenumber" name="L155" href="#L155">155</a> {
164 <a class="jxr_linenumber" name="L156" href="#L156">156</a> <strong class="jxr_keyword">return</strong> <span class="jxr_string">"HTTP ["</span> + <strong class="jxr_keyword">this</strong>.uri + <span class="jxr_string">"]"</span>;
165 <a class="jxr_linenumber" name="L157" href="#L157">157</a> }
166 <a class="jxr_linenumber" name="L158" href="#L158">158</a>
167 <a class="jxr_linenumber" name="L159" href="#L159">159</a> @Override
168 <a class="jxr_linenumber" name="L160" href="#L160">160</a> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">public</strong> InputStream getInputStream() <strong class="jxr_keyword">throws</strong> IOException
169 <a class="jxr_linenumber" name="L161" href="#L161">161</a> {
170 <a class="jxr_linenumber" name="L162" href="#L162">162</a> <strong class="jxr_keyword">if</strong> (!fetched())
171 <a class="jxr_linenumber" name="L163" href="#L163">163</a> {
172 <a class="jxr_linenumber" name="L164" href="#L164">164</a> fetch();
173 <a class="jxr_linenumber" name="L165" href="#L165">165</a> }
174 <a class="jxr_linenumber" name="L166" href="#L166">166</a> <strong class="jxr_keyword">else</strong>
175 <a class="jxr_linenumber" name="L167" href="#L167">167</a> {
176 <a class="jxr_linenumber" name="L168" href="#L168">168</a> isModified();
177 <a class="jxr_linenumber" name="L169" href="#L169">169</a> }
178 <a class="jxr_linenumber" name="L170" href="#L170">170</a>
179 <a class="jxr_linenumber" name="L171" href="#L171">171</a> <em class="jxr_comment">// Clear the modified-flag</em>
180 <a class="jxr_linenumber" name="L172" href="#L172">172</a> modified = false;
181 <a class="jxr_linenumber" name="L173" href="#L173">173</a>
182 <a class="jxr_linenumber" name="L174" href="#L174">174</a> <strong class="jxr_keyword">if</strong> (data.content == <strong class="jxr_keyword">null</strong>)
183 <a class="jxr_linenumber" name="L175" href="#L175">175</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> FileNotFoundException(<span class="jxr_string">"The resource "</span> + getDescription() + <span class="jxr_string">" cannot be retrived as file"</span>);
184 <a class="jxr_linenumber" name="L176" href="#L176">176</a>
185 <a class="jxr_linenumber" name="L177" href="#L177">177</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> ByteArrayInputStream(data.content);
186 <a class="jxr_linenumber" name="L178" href="#L178">178</a> }
187 <a class="jxr_linenumber" name="L179" href="#L179">179</a>
188 <a class="jxr_linenumber" name="L180" href="#L180">180</a> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isModified()
189 <a class="jxr_linenumber" name="L181" href="#L181">181</a> {
190 <a class="jxr_linenumber" name="L182" href="#L182">182</a> <strong class="jxr_keyword">if</strong> (modified)
191 <a class="jxr_linenumber" name="L183" href="#L183">183</a> {
192 <a class="jxr_linenumber" name="L184" href="#L184">184</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
193 <a class="jxr_linenumber" name="L185" href="#L185">185</a> }
194 <a class="jxr_linenumber" name="L186" href="#L186">186</a>
195 <a class="jxr_linenumber" name="L187" href="#L187">187</a> <strong class="jxr_keyword">if</strong> (!isExpired())
196 <a class="jxr_linenumber" name="L188" href="#L188">188</a> {
197 <a class="jxr_linenumber" name="L189" href="#L189">189</a> <strong class="jxr_keyword">return</strong> false;
198 <a class="jxr_linenumber" name="L190" href="#L190">190</a> }
199 <a class="jxr_linenumber" name="L191" href="#L191">191</a>
200 <a class="jxr_linenumber" name="L192" href="#L192">192</a> <strong class="jxr_keyword">return</strong> fetch();
201 <a class="jxr_linenumber" name="L193" href="#L193">193</a> }
202 <a class="jxr_linenumber" name="L194" href="#L194">194</a>
203 <a class="jxr_linenumber" name="L195" href="#L195">195</a> <em class="jxr_javadoccomment">/**</em>
204 <a class="jxr_linenumber" name="L196" href="#L196">196</a> <em class="jxr_javadoccomment"> * Checks, if the remote resource was already fetched.</em>
205 <a class="jxr_linenumber" name="L197" href="#L197">197</a> <em class="jxr_javadoccomment"> *</em>
206 <a class="jxr_linenumber" name="L198" href="#L198">198</a> <em class="jxr_javadoccomment"> * @return {@code true}, if the resource was already fetched, otherwise</em>
207 <a class="jxr_linenumber" name="L199" href="#L199">199</a> <em class="jxr_javadoccomment"> * {@code false}</em>
208 <a class="jxr_linenumber" name="L200" href="#L200">200</a> <em class="jxr_javadoccomment"> */</em>
209 <a class="jxr_linenumber" name="L201" href="#L201">201</a> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> fetched()
210 <a class="jxr_linenumber" name="L202" href="#L202">202</a> {
211 <a class="jxr_linenumber" name="L203" href="#L203">203</a> <strong class="jxr_keyword">return</strong> data.expires != Long.MIN_VALUE;
212 <a class="jxr_linenumber" name="L204" href="#L204">204</a> }
213 <a class="jxr_linenumber" name="L205" href="#L205">205</a>
214 <a class="jxr_linenumber" name="L206" href="#L206">206</a> <em class="jxr_javadoccomment">/**</em>
215 <a class="jxr_linenumber" name="L207" href="#L207">207</a> <em class="jxr_javadoccomment"> * Fetches the remote resource and reports, if it was modified.</em>
216 <a class="jxr_linenumber" name="L208" href="#L208">208</a> <em class="jxr_javadoccomment"> * <p></em>
217 <a class="jxr_linenumber" name="L209" href="#L209">209</a> <em class="jxr_javadoccomment"> * This method fetches the remote resource, if was not already fetched.</em>
218 <a class="jxr_linenumber" name="L210" href="#L210">210</a> <em class="jxr_javadoccomment"> * If the resource was already fetched, it revalidates it, if necessary.</em>
219 <a class="jxr_linenumber" name="L211" href="#L211">211</a> <em class="jxr_javadoccomment"> *</em>
220 <a class="jxr_linenumber" name="L212" href="#L212">212</a> <em class="jxr_javadoccomment"> * @return {@code true}, if the resource has changed or was fetched for</em>
221 <a class="jxr_linenumber" name="L213" href="#L213">213</a> <em class="jxr_javadoccomment"> * the first time, otherwise {@code false}</em>
222 <a class="jxr_linenumber" name="L214" href="#L214">214</a> <em class="jxr_javadoccomment"> */</em>
223 <a class="jxr_linenumber" name="L215" href="#L215">215</a> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> fetch()
224 <a class="jxr_linenumber" name="L216" href="#L216">216</a> {
225 <a class="jxr_linenumber" name="L217" href="#L217">217</a> <a name="HttpData" href="../../../de/juplo/httpresources/HttpData.html#HttpData">HttpData</a> result = fetcher.fetch(uri, data);
226 <a class="jxr_linenumber" name="L218" href="#L218">218</a>
227 <a class="jxr_linenumber" name="L219" href="#L219">219</a> <em class="jxr_comment">// Flag the resource as modified, if the data has changed</em>
228 <a class="jxr_linenumber" name="L220" href="#L220">220</a> <em class="jxr_comment">// Otherwise, keep the old state of the modified-flag.</em>
229 <a class="jxr_linenumber" name="L221" href="#L221">221</a> modified = !data.equals(result);
230 <a class="jxr_linenumber" name="L222" href="#L222">222</a>
231 <a class="jxr_linenumber" name="L223" href="#L223">223</a> data = result;
232 <a class="jxr_linenumber" name="L224" href="#L224">224</a>
233 <a class="jxr_linenumber" name="L225" href="#L225">225</a> <strong class="jxr_keyword">return</strong> modified;
234 <a class="jxr_linenumber" name="L226" href="#L226">226</a> }
235 <a class="jxr_linenumber" name="L227" href="#L227">227</a>
236 <a class="jxr_linenumber" name="L228" href="#L228">228</a> @Override
237 <a class="jxr_linenumber" name="L229" href="#L229">229</a> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">public</strong> HttpHeaders getResponseHeaders()
238 <a class="jxr_linenumber" name="L230" href="#L230">230</a> {
239 <a class="jxr_linenumber" name="L231" href="#L231">231</a> <strong class="jxr_keyword">return</strong> data.headers;
240 <a class="jxr_linenumber" name="L232" href="#L232">232</a> }
241 <a class="jxr_linenumber" name="L233" href="#L233">233</a>
242 <a class="jxr_linenumber" name="L234" href="#L234">234</a>
243 <a class="jxr_linenumber" name="L235" href="#L235">235</a> @Override
244 <a class="jxr_linenumber" name="L236" href="#L236">236</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> hashCode()
245 <a class="jxr_linenumber" name="L237" href="#L237">237</a> {
246 <a class="jxr_linenumber" name="L238" href="#L238">238</a> <strong class="jxr_keyword">return</strong> uri.hashCode();
247 <a class="jxr_linenumber" name="L239" href="#L239">239</a> }
248 <a class="jxr_linenumber" name="L240" href="#L240">240</a>
249 <a class="jxr_linenumber" name="L241" href="#L241">241</a> @Override
250 <a class="jxr_linenumber" name="L242" href="#L242">242</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> equals(Object o)
251 <a class="jxr_linenumber" name="L243" href="#L243">243</a> {
252 <a class="jxr_linenumber" name="L244" href="#L244">244</a> <strong class="jxr_keyword">if</strong> (o == <strong class="jxr_keyword">null</strong>)
253 <a class="jxr_linenumber" name="L245" href="#L245">245</a> <strong class="jxr_keyword">return</strong> false;
254 <a class="jxr_linenumber" name="L246" href="#L246">246</a> <strong class="jxr_keyword">if</strong> (o == <strong class="jxr_keyword">this</strong>)
255 <a class="jxr_linenumber" name="L247" href="#L247">247</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
256 <a class="jxr_linenumber" name="L248" href="#L248">248</a> <strong class="jxr_keyword">if</strong> (!(o instanceof <a name="HttpResource" href="../../../de/juplo/httpresources/HttpResource.html#HttpResource">HttpResource</a>))
257 <a class="jxr_linenumber" name="L249" href="#L249">249</a> <strong class="jxr_keyword">return</strong> false;
258 <a class="jxr_linenumber" name="L250" href="#L250">250</a> <strong class="jxr_keyword">return</strong> Objects.equals(uri, ((<a name="HttpResource" href="../../../de/juplo/httpresources/HttpResource.html#HttpResource">HttpResource</a>) o).uri);
259 <a class="jxr_linenumber" name="L251" href="#L251">251</a> }
260 <a class="jxr_linenumber" name="L252" href="#L252">252</a>
261 <a class="jxr_linenumber" name="L253" href="#L253">253</a> @Override
262 <a class="jxr_linenumber" name="L254" href="#L254">254</a> <strong class="jxr_keyword">public</strong> String toString()
263 <a class="jxr_linenumber" name="L255" href="#L255">255</a> {
264 <a class="jxr_linenumber" name="L256" href="#L256">256</a> <strong class="jxr_keyword">return</strong> getDescription();
265 <a class="jxr_linenumber" name="L257" href="#L257">257</a> }
266 <a class="jxr_linenumber" name="L258" href="#L258">258</a> }
269 <div id="footer">Copyright © 2020–2021 <a href="https://juplo.de">juplo</a>. All rights reserved.</div>