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Posted to commits@commons.apache.org by bo...@apache.org on 2013/03/14 18:11:35 UTC
svn commit: r854484 [9/43] - in
/websites/production/commons/content/proper/commons-compress: ./ apidocs/
apidocs/org/apache/commons/compress/archivers/
apidocs/org/apache/commons/compress/archivers/ar/
apidocs/org/apache/commons/compress/archivers/ar/...
Modified: websites/production/commons/content/proper/commons-compress/apidocs/src-html/org/apache/commons/compress/archivers/zip/X5455_ExtendedTimestamp.html
==============================================================================
--- websites/production/commons/content/proper/commons-compress/apidocs/src-html/org/apache/commons/compress/archivers/zip/X5455_ExtendedTimestamp.html (original)
+++ websites/production/commons/content/proper/commons-compress/apidocs/src-html/org/apache/commons/compress/archivers/zip/X5455_ExtendedTimestamp.html Thu Mar 14 17:10:39 2013
@@ -87,485 +87,486 @@
<span class="sourceLineNo">079</span> * Flags Byte info bits (refers to local header!)<a name="line.79"></a>
<span class="sourceLineNo">080</span> * (ModTime) Long time of last modification (UTC/GMT)<a name="line.80"></a>
<span class="sourceLineNo">081</span> * </pre><a name="line.81"></a>
-<span class="sourceLineNo">082</span> */<a name="line.82"></a>
-<span class="sourceLineNo">083</span>public class X5455_ExtendedTimestamp implements ZipExtraField, Cloneable, Serializable {<a name="line.83"></a>
-<span class="sourceLineNo">084</span> private static final ZipShort HEADER_ID = new ZipShort(0x5455);<a name="line.84"></a>
-<span class="sourceLineNo">085</span> private static final long serialVersionUID = 1L;<a name="line.85"></a>
-<span class="sourceLineNo">086</span><a name="line.86"></a>
-<span class="sourceLineNo">087</span> static final byte MODIFY_TIME_BIT = 1;<a name="line.87"></a>
-<span class="sourceLineNo">088</span> static final byte ACCESS_TIME_BIT = 2;<a name="line.88"></a>
-<span class="sourceLineNo">089</span> static final byte CREATE_TIME_BIT = 4;<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span> // The 3 boolean fields (below) come from this flags byte. The remaining 5 bits<a name="line.91"></a>
-<span class="sourceLineNo">092</span> // are ignored according to the current version of the spec (December 2012).<a name="line.92"></a>
-<span class="sourceLineNo">093</span> private byte flags;<a name="line.93"></a>
-<span class="sourceLineNo">094</span><a name="line.94"></a>
-<span class="sourceLineNo">095</span> // Note: even if bit1 and bit2 are set, the Central data will still not contain<a name="line.95"></a>
-<span class="sourceLineNo">096</span> // access/create fields: only local data ever holds those! This causes<a name="line.96"></a>
-<span class="sourceLineNo">097</span> // some of our implementation to look a little odd, with seemingly spurious<a name="line.97"></a>
-<span class="sourceLineNo">098</span> // != null and length checks.<a name="line.98"></a>
-<span class="sourceLineNo">099</span> private boolean bit0_modifyTimePresent;<a name="line.99"></a>
-<span class="sourceLineNo">100</span> private boolean bit1_accessTimePresent;<a name="line.100"></a>
-<span class="sourceLineNo">101</span> private boolean bit2_createTimePresent;<a name="line.101"></a>
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-<span class="sourceLineNo">103</span> private ZipLong modifyTime;<a name="line.103"></a>
-<span class="sourceLineNo">104</span> private ZipLong accessTime;<a name="line.104"></a>
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-<span class="sourceLineNo">107</span> /**<a name="line.107"></a>
-<span class="sourceLineNo">108</span> * Constructor for X5455_ExtendedTimestamp.<a name="line.108"></a>
-<span class="sourceLineNo">109</span> */<a name="line.109"></a>
-<span class="sourceLineNo">110</span> public X5455_ExtendedTimestamp() {}<a name="line.110"></a>
-<span class="sourceLineNo">111</span><a name="line.111"></a>
-<span class="sourceLineNo">112</span> /**<a name="line.112"></a>
-<span class="sourceLineNo">113</span> * The Header-ID.<a name="line.113"></a>
-<span class="sourceLineNo">114</span> *<a name="line.114"></a>
-<span class="sourceLineNo">115</span> * @return the value for the header id for this extrafield<a name="line.115"></a>
-<span class="sourceLineNo">116</span> */<a name="line.116"></a>
-<span class="sourceLineNo">117</span> public ZipShort getHeaderId() {<a name="line.117"></a>
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-<span class="sourceLineNo">120</span><a name="line.120"></a>
-<span class="sourceLineNo">121</span> /**<a name="line.121"></a>
-<span class="sourceLineNo">122</span> * Length of the extra field in the local file data - without<a name="line.122"></a>
-<span class="sourceLineNo">123</span> * Header-ID or length specifier.<a name="line.123"></a>
-<span class="sourceLineNo">124</span> *<a name="line.124"></a>
-<span class="sourceLineNo">125</span> * @return a <code>ZipShort</code> for the length of the data of this extra field<a name="line.125"></a>
-<span class="sourceLineNo">126</span> */<a name="line.126"></a>
-<span class="sourceLineNo">127</span> public ZipShort getLocalFileDataLength() {<a name="line.127"></a>
-<span class="sourceLineNo">128</span> return new ZipShort(1 +<a name="line.128"></a>
-<span class="sourceLineNo">129</span> (bit0_modifyTimePresent ? 4 : 0) +<a name="line.129"></a>
-<span class="sourceLineNo">130</span> (bit1_accessTimePresent && accessTime != null ? 4 : 0) +<a name="line.130"></a>
-<span class="sourceLineNo">131</span> (bit2_createTimePresent && createTime != null ? 4 : 0)<a name="line.131"></a>
-<span class="sourceLineNo">132</span> );<a name="line.132"></a>
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-<span class="sourceLineNo">135</span> /**<a name="line.135"></a>
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-<span class="sourceLineNo">137</span> * Header-ID or length specifier.<a name="line.137"></a>
-<span class="sourceLineNo">138</span> * <p/><a name="line.138"></a>
-<span class="sourceLineNo">139</span> * For X5455 the central length is often smaller than the<a name="line.139"></a>
-<span class="sourceLineNo">140</span> * local length, because central cannot contain access or create<a name="line.140"></a>
-<span class="sourceLineNo">141</span> * timestamps.<a name="line.141"></a>
-<span class="sourceLineNo">142</span> *<a name="line.142"></a>
-<span class="sourceLineNo">143</span> * @return a <code>ZipShort</code> for the length of the data of this extra field<a name="line.143"></a>
-<span class="sourceLineNo">144</span> */<a name="line.144"></a>
-<span class="sourceLineNo">145</span> public ZipShort getCentralDirectoryLength() {<a name="line.145"></a>
-<span class="sourceLineNo">146</span> return new ZipShort(1 +<a name="line.146"></a>
-<span class="sourceLineNo">147</span> (bit0_modifyTimePresent ? 4 : 0)<a name="line.147"></a>
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-<span class="sourceLineNo">153</span> * or length specifier.<a name="line.153"></a>
-<span class="sourceLineNo">154</span> *<a name="line.154"></a>
-<span class="sourceLineNo">155</span> * @return get the data<a name="line.155"></a>
-<span class="sourceLineNo">156</span> */<a name="line.156"></a>
-<span class="sourceLineNo">157</span> public byte[] getLocalFileDataData() {<a name="line.157"></a>
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-<span class="sourceLineNo">159</span> int pos = 0;<a name="line.159"></a>
-<span class="sourceLineNo">160</span> data[pos++] = 0;<a name="line.160"></a>
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-<span class="sourceLineNo">162</span> data[0] |= MODIFY_TIME_BIT;<a name="line.162"></a>
-<span class="sourceLineNo">163</span> System.arraycopy(modifyTime.getBytes(), 0, data, pos, 4);<a name="line.163"></a>
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-<span class="sourceLineNo">166</span> if (bit1_accessTimePresent && accessTime != null) {<a name="line.166"></a>
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-<span class="sourceLineNo">168</span> System.arraycopy(accessTime.getBytes(), 0, data, pos, 4);<a name="line.168"></a>
-<span class="sourceLineNo">169</span> pos += 4;<a name="line.169"></a>
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-<span class="sourceLineNo">171</span> if (bit2_createTimePresent && createTime != null) {<a name="line.171"></a>
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-<span class="sourceLineNo">173</span> System.arraycopy(createTime.getBytes(), 0, data, pos, 4);<a name="line.173"></a>
-<span class="sourceLineNo">174</span> pos += 4;<a name="line.174"></a>
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-<span class="sourceLineNo">176</span> return data;<a name="line.176"></a>
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-<span class="sourceLineNo">178</span><a name="line.178"></a>
-<span class="sourceLineNo">179</span> /**<a name="line.179"></a>
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-<span class="sourceLineNo">181</span> * or length specifier.<a name="line.181"></a>
-<span class="sourceLineNo">182</span> *<a name="line.182"></a>
-<span class="sourceLineNo">183</span> * @return the central directory data<a name="line.183"></a>
-<span class="sourceLineNo">184</span> */<a name="line.184"></a>
-<span class="sourceLineNo">185</span> public byte[] getCentralDirectoryData() {<a name="line.185"></a>
-<span class="sourceLineNo">186</span> byte[] centralData = new byte[getCentralDirectoryLength().getValue()];<a name="line.186"></a>
-<span class="sourceLineNo">187</span> byte[] localData = getLocalFileDataData();<a name="line.187"></a>
-<span class="sourceLineNo">188</span><a name="line.188"></a>
-<span class="sourceLineNo">189</span> // Truncate out create & access time (last 8 bytes) from<a name="line.189"></a>
-<span class="sourceLineNo">190</span> // the copy of the local data we obtained:<a name="line.190"></a>
-<span class="sourceLineNo">191</span> System.arraycopy(localData, 0, centralData, 0, centralData.length);<a name="line.191"></a>
-<span class="sourceLineNo">192</span> return centralData;<a name="line.192"></a>
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-<span class="sourceLineNo">195</span> /**<a name="line.195"></a>
-<span class="sourceLineNo">196</span> * Populate data from this array as if it was in local file data.<a name="line.196"></a>
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-<span class="sourceLineNo">198</span> * @param data an array of bytes<a name="line.198"></a>
-<span class="sourceLineNo">199</span> * @param offset the start offset<a name="line.199"></a>
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-<span class="sourceLineNo">208</span> setFlags(data[offset++]);<a name="line.208"></a>
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-<span class="sourceLineNo">210</span> modifyTime = new ZipLong(data, offset);<a name="line.210"></a>
-<span class="sourceLineNo">211</span> offset += 4;<a name="line.211"></a>
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-<span class="sourceLineNo">214</span> // Notice the extra length check in case we are parsing the shorter<a name="line.214"></a>
-<span class="sourceLineNo">215</span> // central data field (for both access and create timestamps).<a name="line.215"></a>
-<span class="sourceLineNo">216</span> if (bit1_accessTimePresent && offset + 4 <= len) {<a name="line.216"></a>
-<span class="sourceLineNo">217</span> accessTime = new ZipLong(data, offset);<a name="line.217"></a>
-<span class="sourceLineNo">218</span> offset += 4;<a name="line.218"></a>
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-<span class="sourceLineNo">228</span> * same parsing logic for both central directory and local file data.<a name="line.228"></a>
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-<span class="sourceLineNo">253</span> * bit1 - access time<a name="line.253"></a>
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-<span class="sourceLineNo">322</span> * Returns the access time (seconds since epoch) of this zip entry<a name="line.322"></a>
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+<span class="sourceLineNo">154</span> * or length specifier.<a name="line.154"></a>
+<span class="sourceLineNo">155</span> *<a name="line.155"></a>
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+<span class="sourceLineNo">182</span> * or length specifier.<a name="line.182"></a>
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+<span class="sourceLineNo">204</span> public void parseFromLocalFileData(<a name="line.204"></a>
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+<span class="sourceLineNo">216</span> // central data field (for both access and create timestamps).<a name="line.216"></a>
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+<span class="sourceLineNo">325</span> * zip entry.<a name="line.325"></a>
+<span class="sourceLineNo">326</span> *<a name="line.326"></a>
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+<span class="sourceLineNo">331</span> /**<a name="line.331"></a>
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+<span class="sourceLineNo">336</span> * </p><p><a name="line.336"></a>
+<span class="sourceLineNo">337</span> * Note: modern linux file systems (e.g., ext2)<a name="line.337"></a>
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+<span class="sourceLineNo">340</span> * field. Perhaps other unix systems track this.<a name="line.340"></a>
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+<span class="sourceLineNo">408</span> * Even if the timestamp is not-null, it will only be written<a name="line.408"></a>
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+<span class="sourceLineNo">433</span> * of this zip entry. Supplied value is truncated to per-second<a name="line.433"></a>
+<span class="sourceLineNo">434</span> * precision (milliseconds zeroed-out).<a name="line.434"></a>
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+<span class="sourceLineNo">436</span> * Note: the setters for flags and timestamps are decoupled.<a name="line.436"></a>
+<span class="sourceLineNo">437</span> * Even if the timestamp is not-null, it will only be written<a name="line.437"></a>
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+<span class="sourceLineNo">445</span> /**<a name="line.445"></a>
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+<span class="sourceLineNo">450</span> * </p><p><a name="line.450"></a>
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+<span class="sourceLineNo">460</span> /**<a name="line.460"></a>
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+<span class="sourceLineNo">464</span> * precision (milliseconds zeroed-out).<a name="line.464"></a>
+<span class="sourceLineNo">465</span> * </p><p><a name="line.465"></a>
+<span class="sourceLineNo">466</span> * Note: the setters for flags and timestamps are decoupled.<a name="line.466"></a>
+<span class="sourceLineNo">467</span> * Even if the timestamp is not-null, it will only be written<a name="line.467"></a>
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+<span class="sourceLineNo">475</span> /**<a name="line.475"></a>
+<span class="sourceLineNo">476</span> * Utility method converts java.util.Date (milliseconds since epoch)<a name="line.476"></a>
+<span class="sourceLineNo">477</span> * into a ZipLong (seconds since epoch).<a name="line.477"></a>
+<span class="sourceLineNo">478</span> * <p/><a name="line.478"></a>
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+<span class="sourceLineNo">480</span> * in 32 unsigned bits.<a name="line.480"></a>
+<span class="sourceLineNo">481</span> *<a name="line.481"></a>
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+<span class="sourceLineNo">483</span> * @return ZipLong<a name="line.483"></a>
+<span class="sourceLineNo">484</span> */<a name="line.484"></a>
+<span class="sourceLineNo">485</span> private static ZipLong dateToZipLong(final Date d) {<a name="line.485"></a>
+<span class="sourceLineNo">486</span> if (d == null) { return null; }<a name="line.486"></a>
+<span class="sourceLineNo">487</span><a name="line.487"></a>
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+<span class="sourceLineNo">489</span> final long l = d.getTime() / 1000;<a name="line.489"></a>
+<span class="sourceLineNo">490</span> if (l >= TWO_TO_32) {<a name="line.490"></a>
+<span class="sourceLineNo">491</span> throw new IllegalArgumentException("Cannot set an X5455 timestamp larger than 2^32: " + l);<a name="line.491"></a>
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+<span class="sourceLineNo">493</span> return new ZipLong(l);<a name="line.493"></a>
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+<span class="sourceLineNo">498</span> * debugging purposes.<a name="line.498"></a>
+<span class="sourceLineNo">499</span> *<a name="line.499"></a>
+<span class="sourceLineNo">500</span> * @return A String representation of this class useful for<a name="line.500"></a>
+<span class="sourceLineNo">501</span> * debugging purposes.<a name="line.501"></a>
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+<span class="sourceLineNo">503</span> @Override<a name="line.503"></a>
+<span class="sourceLineNo">504</span> public String toString() {<a name="line.504"></a>
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+<span class="sourceLineNo">506</span> buf.append("0x5455 Zip Extra Field: Flags=");<a name="line.506"></a>
+<span class="sourceLineNo">507</span> buf.append(Integer.toBinaryString(ZipUtil.unsignedIntToSignedByte(flags))).append(" ");<a name="line.507"></a>
+<span class="sourceLineNo">508</span> if (bit0_modifyTimePresent && modifyTime != null) {<a name="line.508"></a>
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+<span class="sourceLineNo">510</span> buf.append(" Modify:[").append(m).append("] ");<a name="line.510"></a>
+<span class="sourceLineNo">511</span> }<a name="line.511"></a>
+<span class="sourceLineNo">512</span> if (bit1_accessTimePresent && accessTime != null) {<a name="line.512"></a>
+<span class="sourceLineNo">513</span> Date a = getAccessJavaTime();<a name="line.513"></a>
+<span class="sourceLineNo">514</span> buf.append(" Access:[").append(a).append("] ");<a name="line.514"></a>
+<span class="sourceLineNo">515</span> }<a name="line.515"></a>
+<span class="sourceLineNo">516</span> if (bit2_createTimePresent && createTime != null) {<a name="line.516"></a>
+<span class="sourceLineNo">517</span> Date c = getCreateJavaTime();<a name="line.517"></a>
+<span class="sourceLineNo">518</span> buf.append(" Create:[").append(c).append("] ");<a name="line.518"></a>
+<span class="sourceLineNo">519</span> }<a name="line.519"></a>
+<span class="sourceLineNo">520</span> return buf.toString();<a name="line.520"></a>
+<span class="sourceLineNo">521</span> }<a name="line.521"></a>
[... 44 lines stripped ...]