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apache / archiva-web-content / 2fbf6a601fc3e048834e995bd5571cdb6e452fbd / . / ref / 3.0.0-SNAPSHOT / archiva-base / archiva-common / xref / org / apache / archiva / common / utils / FileUtils.html
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<a class="jxr_linenumber" name="L1" href="#L1">1</a> <strong class="jxr_keyword">package</strong> org.apache.archiva.common.utils;
<a class="jxr_linenumber" name="L2" href="#L2">2</a> <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="L3" href="#L3">3</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a class="jxr_linenumber" name="L4" href="#L4">4</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
<a class="jxr_linenumber" name="L5" href="#L5">5</a> <em class="jxr_comment"> * distributed with this work for additional information</em>
<a class="jxr_linenumber" name="L6" href="#L6">6</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em>
<a class="jxr_linenumber" name="L7" href="#L7">7</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
<a class="jxr_linenumber" name="L8" href="#L8">8</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="L9" href="#L9">9</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="L10" href="#L10">10</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L11" href="#L11">11</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="L12" href="#L12">12</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L13" href="#L13">13</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em>
<a class="jxr_linenumber" name="L14" href="#L14">14</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em>
<a class="jxr_linenumber" name="L15" href="#L15">15</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em>
<a class="jxr_linenumber" name="L17" href="#L17">17</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="L18" href="#L18">18</a> <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="L19" href="#L19">19</a> <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="L20" href="#L20">20</a>
<a class="jxr_linenumber" name="L21" href="#L21">21</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger;
<a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory;
<a class="jxr_linenumber" name="L23" href="#L23">23</a>
<a class="jxr_linenumber" name="L24" href="#L24">24</a> <strong class="jxr_keyword">import</strong> java.io.*;
<a class="jxr_linenumber" name="L25" href="#L25">25</a> <strong class="jxr_keyword">import</strong> java.nio.charset.Charset;
<a class="jxr_linenumber" name="L26" href="#L26">26</a> <strong class="jxr_keyword">import</strong> java.nio.file.Files;
<a class="jxr_linenumber" name="L27" href="#L27">27</a> <strong class="jxr_keyword">import</strong> java.nio.file.Path;
<a class="jxr_linenumber" name="L28" href="#L28">28</a> <strong class="jxr_keyword">import</strong> java.nio.file.Paths;
<a class="jxr_linenumber" name="L29" href="#L29">29</a> <strong class="jxr_keyword">import</strong> java.nio.file.StandardOpenOption;
<a class="jxr_linenumber" name="L30" href="#L30">30</a> <strong class="jxr_keyword">import</strong> java.util.Comparator;
<a class="jxr_linenumber" name="L31" href="#L31">31</a> <strong class="jxr_keyword">import</strong> java.util.Optional;
<a class="jxr_linenumber" name="L32" href="#L32">32</a> <strong class="jxr_keyword">import</strong> java.util.zip.ZipEntry;
<a class="jxr_linenumber" name="L33" href="#L33">33</a> <strong class="jxr_keyword">import</strong> java.util.zip.ZipFile;
<a class="jxr_linenumber" name="L34" href="#L34">34</a>
<a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment"> * Utility class for file manipulation</em>
<a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> * @author Martin Stockhammer &lt;martin_s@apache.org&gt;</em>
<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L40" href="#L40">40</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a name="FileUtils" href="../../../../../org/apache/archiva/common/utils/FileUtils.html#FileUtils">FileUtils</a> {
<a class="jxr_linenumber" name="L41" href="#L41">41</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger log = LoggerFactory.getLogger(FileUtils.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="L42" href="#L42">42</a>
<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment"> * Deletes the directory recursively and quietly.</em>
<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment"> * @param dir</em>
<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L48" href="#L48">48</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> deleteQuietly(Path dir) {
<a class="jxr_linenumber" name="L49" href="#L49">49</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="L50" href="#L50">50</a> Files.walk(dir)
<a class="jxr_linenumber" name="L51" href="#L51">51</a> .sorted(Comparator.reverseOrder())
<a class="jxr_linenumber" name="L52" href="#L52">52</a> .forEach(file -&gt; {
<a class="jxr_linenumber" name="L53" href="#L53">53</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="L54" href="#L54">54</a> Files.delete(file);
<a class="jxr_linenumber" name="L55" href="#L55">55</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_comment">// Ignore this</em>
<a class="jxr_linenumber" name="L57" href="#L57">57</a> }
<a class="jxr_linenumber" name="L58" href="#L58">58</a>
<a class="jxr_linenumber" name="L59" href="#L59">59</a> });
<a class="jxr_linenumber" name="L60" href="#L60">60</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
<a class="jxr_linenumber" name="L61" href="#L61">61</a> <em class="jxr_comment">// Ignore this</em>
<a class="jxr_linenumber" name="L62" href="#L62">62</a> }
<a class="jxr_linenumber" name="L63" href="#L63">63</a>
<a class="jxr_linenumber" name="L64" href="#L64">64</a>
<a class="jxr_linenumber" name="L65" href="#L65">65</a> }
<a class="jxr_linenumber" name="L66" href="#L66">66</a>
<a class="jxr_linenumber" name="L67" href="#L67">67</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> deleteDirectory(Path dir) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="L68" href="#L68">68</a> <strong class="jxr_keyword">if</strong> (!Files.exists(dir)) {
<a class="jxr_linenumber" name="L69" href="#L69">69</a> <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="L70" href="#L70">70</a> }
<a class="jxr_linenumber" name="L71" href="#L71">71</a> <strong class="jxr_keyword">if</strong> (!Files.isDirectory(dir)) {
<a class="jxr_linenumber" name="L72" href="#L72">72</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Given path is not a directory "</span> + dir);
<a class="jxr_linenumber" name="L73" href="#L73">73</a> }
<a class="jxr_linenumber" name="L74" href="#L74">74</a> <strong class="jxr_keyword">boolean</strong> result = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="L75" href="#L75">75</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="L76" href="#L76">76</a> result = Files.walk(dir)
<a class="jxr_linenumber" name="L77" href="#L77">77</a> .sorted(Comparator.reverseOrder())
<a class="jxr_linenumber" name="L78" href="#L78">78</a> .map(file -&gt;
<a class="jxr_linenumber" name="L79" href="#L79">79</a> {
<a class="jxr_linenumber" name="L80" href="#L80">80</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="L81" href="#L81">81</a> Files.delete(file);
<a class="jxr_linenumber" name="L82" href="#L82">82</a> <strong class="jxr_keyword">return</strong> Optional.of(Boolean.TRUE);
<a class="jxr_linenumber" name="L83" href="#L83">83</a> } <strong class="jxr_keyword">catch</strong> (UncheckedIOException | IOException e) {
<a class="jxr_linenumber" name="L84" href="#L84">84</a> log.warn(<span class="jxr_string">"File could not be deleted {}"</span>, file);
<a class="jxr_linenumber" name="L85" href="#L85">85</a> <strong class="jxr_keyword">return</strong> Optional.empty();
<a class="jxr_linenumber" name="L86" href="#L86">86</a> }
<a class="jxr_linenumber" name="L87" href="#L87">87</a>
<a class="jxr_linenumber" name="L88" href="#L88">88</a> }).allMatch(Optional::isPresent);
<a class="jxr_linenumber" name="L89" href="#L89">89</a> } <strong class="jxr_keyword">catch</strong> (UncheckedIOException e) {
<a class="jxr_linenumber" name="L90" href="#L90">90</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"File deletion failed "</span>, e);
<a class="jxr_linenumber" name="L91" href="#L91">91</a> }
<a class="jxr_linenumber" name="L92" href="#L92">92</a> <strong class="jxr_keyword">if</strong> (!result) {
<a class="jxr_linenumber" name="L93" href="#L93">93</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Error during recursive delete of "</span> + dir.toAbsolutePath());
<a class="jxr_linenumber" name="L94" href="#L94">94</a> }
<a class="jxr_linenumber" name="L95" href="#L95">95</a> }
<a class="jxr_linenumber" name="L96" href="#L96">96</a>
<a class="jxr_linenumber" name="L97" href="#L97">97</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String readFileToString(Path file, Charset encoding) {
<a class="jxr_linenumber" name="L98" href="#L98">98</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="L99" href="#L99">99</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> String(Files.readAllBytes(file), encoding);
<a class="jxr_linenumber" name="L100" href="#L100">100</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
<a class="jxr_linenumber" name="L101" href="#L101">101</a> log.error(<span class="jxr_string">"Could not read from file {}"</span>, file);
<a class="jxr_linenumber" name="L102" href="#L102">102</a> <strong class="jxr_keyword">return</strong> <span class="jxr_string">""</span>;
<a class="jxr_linenumber" name="L103" href="#L103">103</a> }
<a class="jxr_linenumber" name="L104" href="#L104">104</a> }
<a class="jxr_linenumber" name="L105" href="#L105">105</a>
<a class="jxr_linenumber" name="L106" href="#L106">106</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> writeStringToFile(Path file, Charset encoding, String value) {
<a class="jxr_linenumber" name="L107" href="#L107">107</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="L108" href="#L108">108</a> Files.write(file, value.getBytes(encoding), StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING);
<a class="jxr_linenumber" name="L109" href="#L109">109</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
<a class="jxr_linenumber" name="L110" href="#L110">110</a> log.error(<span class="jxr_string">"Could not write to file {}"</span>, file);
<a class="jxr_linenumber" name="L111" href="#L111">111</a> }
<a class="jxr_linenumber" name="L112" href="#L112">112</a> }
<a class="jxr_linenumber" name="L113" href="#L113">113</a>
<a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L115" href="#L115">115</a> <em class="jxr_javadoccomment"> * Return the base directory</em>
<a class="jxr_linenumber" name="L116" href="#L116">116</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment"> * @return</em>
<a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L119" href="#L119">119</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String getBasedir() {
<a class="jxr_linenumber" name="L120" href="#L120">120</a> String basedir = System.getProperty(<span class="jxr_string">"basedir"</span>);
<a class="jxr_linenumber" name="L121" href="#L121">121</a> <strong class="jxr_keyword">if</strong> (basedir == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="L122" href="#L122">122</a> basedir = Paths.get(<span class="jxr_string">""</span>).toAbsolutePath().toString();
<a class="jxr_linenumber" name="L123" href="#L123">123</a> }
<a class="jxr_linenumber" name="L124" href="#L124">124</a>
<a class="jxr_linenumber" name="L125" href="#L125">125</a> <strong class="jxr_keyword">return</strong> basedir;
<a class="jxr_linenumber" name="L126" href="#L126">126</a> }
<a class="jxr_linenumber" name="L127" href="#L127">127</a>
<a class="jxr_linenumber" name="L128" href="#L128">128</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L129" href="#L129">129</a> <em class="jxr_javadoccomment"> * This checks, if the given child is a absolute path. If this is the case</em>
<a class="jxr_linenumber" name="L130" href="#L130">130</a> <em class="jxr_javadoccomment"> * the relative path is used.</em>
<a class="jxr_linenumber" name="L131" href="#L131">131</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="L132" href="#L132">132</a> <em class="jxr_javadoccomment"> * @param parent The parent directory</em>
<a class="jxr_linenumber" name="L133" href="#L133">133</a> <em class="jxr_javadoccomment"> * @param child The child</em>
<a class="jxr_linenumber" name="L134" href="#L134">134</a> <em class="jxr_javadoccomment"> * @return The path parent/child</em>
<a class="jxr_linenumber" name="L135" href="#L135">135</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L136" href="#L136">136</a> <strong class="jxr_keyword">public</strong> Path resolveNonAbsolute(Path parent, String child) {
<a class="jxr_linenumber" name="L137" href="#L137">137</a> Path childPath = Paths.get(child);
<a class="jxr_linenumber" name="L138" href="#L138">138</a> <strong class="jxr_keyword">if</strong> (childPath.isAbsolute()) {
<a class="jxr_linenumber" name="L139" href="#L139">139</a> <strong class="jxr_keyword">return</strong> parent.resolve(childPath.getNameCount() &gt; 0 ? childPath.subpath(0, childPath.getNameCount()) : Paths.get(<span class="jxr_string">""</span>));
<a class="jxr_linenumber" name="L140" href="#L140">140</a> } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="L141" href="#L141">141</a> <strong class="jxr_keyword">return</strong> parent.resolve(child);
<a class="jxr_linenumber" name="L142" href="#L142">142</a> }
<a class="jxr_linenumber" name="L143" href="#L143">143</a> }
<a class="jxr_linenumber" name="L144" href="#L144">144</a>
<a class="jxr_linenumber" name="L145" href="#L145">145</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> unzipFileEntry(ZipFile file, ZipEntry entry, Path destinationPath) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="L146" href="#L146">146</a> InputStream is = file.getInputStream(entry);
<a class="jxr_linenumber" name="L147" href="#L147">147</a> BufferedInputStream bis = <strong class="jxr_keyword">new</strong> BufferedInputStream(is);
<a class="jxr_linenumber" name="L148" href="#L148">148</a> Path uncompressedFilePath = destinationPath.resolve(entry.getName());
<a class="jxr_linenumber" name="L149" href="#L149">149</a> Path parentPath = uncompressedFilePath.getParent();
<a class="jxr_linenumber" name="L150" href="#L150">150</a> <strong class="jxr_keyword">if</strong> (!Files.exists(parentPath)) {
<a class="jxr_linenumber" name="L151" href="#L151">151</a> Files.createDirectories(parentPath);
<a class="jxr_linenumber" name="L152" href="#L152">152</a> }
<a class="jxr_linenumber" name="L153" href="#L153">153</a> Files.createFile(uncompressedFilePath);
<a class="jxr_linenumber" name="L154" href="#L154">154</a> OutputStream fileOutput = Files.newOutputStream(uncompressedFilePath);
<a class="jxr_linenumber" name="L155" href="#L155">155</a> <strong class="jxr_keyword">while</strong> (bis.available() &gt; 0) {
<a class="jxr_linenumber" name="L156" href="#L156">156</a> fileOutput.write(bis.read());
<a class="jxr_linenumber" name="L157" href="#L157">157</a> }
<a class="jxr_linenumber" name="L158" href="#L158">158</a> fileOutput.close();
<a class="jxr_linenumber" name="L159" href="#L159">159</a> }
<a class="jxr_linenumber" name="L160" href="#L160">160</a>
<a class="jxr_linenumber" name="L161" href="#L161">161</a>
<a class="jxr_linenumber" name="L162" href="#L162">162</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L163" href="#L163">163</a> <em class="jxr_javadoccomment"> * Unzips a file into a destination directory. It does not update the modification time according the</em>
<a class="jxr_linenumber" name="L164" href="#L164">164</a> <em class="jxr_javadoccomment"> * the date in the zip file. All subdirectories will be created if the zip file contains a directory structure.</em>
<a class="jxr_linenumber" name="L165" href="#L165">165</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="L166" href="#L166">166</a> <em class="jxr_javadoccomment"> * @param zipFile the path to the zip file</em>
<a class="jxr_linenumber" name="L167" href="#L167">167</a> <em class="jxr_javadoccomment"> * @param destinationPath the destination path where the files should be extracted.</em>
<a class="jxr_linenumber" name="L168" href="#L168">168</a> <em class="jxr_javadoccomment"> * @throws IOException if an error occurs during extract.</em>
<a class="jxr_linenumber" name="L169" href="#L169">169</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L170" href="#L170">170</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> unzip(Path zipFile, Path destinationPath) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="L171" href="#L171">171</a> <strong class="jxr_keyword">try</strong> (ZipFile file = <strong class="jxr_keyword">new</strong> ZipFile(zipFile.toFile())) {
<a class="jxr_linenumber" name="L172" href="#L172">172</a> file.stream().forEach(e -&gt; {
<a class="jxr_linenumber" name="L173" href="#L173">173</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="L174" href="#L174">174</a> <strong class="jxr_keyword">if</strong> (e.isDirectory()) {
<a class="jxr_linenumber" name="L175" href="#L175">175</a> Files.createDirectories(destinationPath.resolve(e.getName()));
<a class="jxr_linenumber" name="L176" href="#L176">176</a> } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="L177" href="#L177">177</a> unzipFileEntry(file, e, destinationPath);
<a class="jxr_linenumber" name="L178" href="#L178">178</a> }
<a class="jxr_linenumber" name="L179" href="#L179">179</a> } <strong class="jxr_keyword">catch</strong> (IOException ex) {
<a class="jxr_linenumber" name="L180" href="#L180">180</a> log.error(<span class="jxr_string">"Error occured during unzip of zipFile={}, entry={}. Message: {}"</span>, zipFile, e.getName(), ex.getMessage());
<a class="jxr_linenumber" name="L181" href="#L181">181</a> }
<a class="jxr_linenumber" name="L182" href="#L182">182</a> });
<a class="jxr_linenumber" name="L183" href="#L183">183</a> }
<a class="jxr_linenumber" name="L184" href="#L184">184</a> }
<a class="jxr_linenumber" name="L185" href="#L185">185</a> }
</pre>
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