1 | package org.greenstone.gatherer.feedback;
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2 |
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3 | import java.io.*;
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4 | import java.util.jar.*;
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5 | import java.util.zip.*;
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6 |
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7 | /**
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8 | * This class will help to zip and unzip files.
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9 | * @author Veronica Liesaputra
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10 | */
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11 | public class ZipFile
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12 | {
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13 | /**
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14 | * This is the specified buffer size.
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15 | */
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16 | private static final int BUFFER = 2048;
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17 |
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18 | public ZipFile ()
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19 | {}
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20 |
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21 | /**
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22 | * This method will unzip the MyZipFile.zip file and delete the file.
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23 | */
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24 | public void unZipFile ()
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25 | {
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26 | try
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27 | {
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28 | BufferedOutputStream dest;
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29 | dest = null;
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30 | FileInputStream fis;
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31 | fis = new FileInputStream("MyZipFile.zip");
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32 | ZipInputStream zis;
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33 | zis = new ZipInputStream(new BufferedInputStream(fis));
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34 | ZipEntry entry;
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35 | while((entry = zis.getNextEntry()) != null)
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36 | {
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37 | int count;
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38 | byte data[];
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39 | data = new byte[BUFFER];
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40 | // write the files to the disk
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41 | File f;
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42 | f = new File(entry.getName());
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43 | if (isRightLogExtension(f) == true)
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44 | {
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45 | FileOutputStream fos;
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46 | fos = new FileOutputStream(entry.getName());
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47 | dest = new BufferedOutputStream(fos, BUFFER);
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48 | while ((count = zis.read(data, 0, BUFFER)) != -1)
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49 | {
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50 | dest.write(data, 0, count);
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51 | }
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52 | dest.flush();
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53 | dest.close();
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54 | }
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55 | }
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56 | zis.close();
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57 | File f3;
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58 | f3 = new File("MyZipFile.zip");
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59 | f3.delete();
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60 | }
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61 | catch (FileNotFoundException fexp) {}
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62 | catch(Exception e)
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63 | {
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64 | e.printStackTrace();
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65 | }
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66 | }
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67 |
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68 | /**
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69 | * This method will zip all the xml files into one Jar file.
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70 | */
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71 | public void sendZipXMLFile ()
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72 | {
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73 | try
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74 | {
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75 | String dirname;
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76 | dirname = "xmlfeedback/";
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77 | BufferedInputStream origin;
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78 | origin = null;
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79 | FileOutputStream dest;
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80 | dest = new FileOutputStream(dirname + "Jar" +
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81 | FeedbackInterface.getCode() +
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82 | "File.jar");
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83 | JarOutputStream out;
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84 | out = new JarOutputStream(new BufferedOutputStream(dest));
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85 | out.setMethod(ZipOutputStream.DEFLATED);
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86 | byte data[];
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87 | data = new byte[BUFFER];
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88 |
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89 | File f;
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90 | f = new File(dirname + ".");
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91 | File[] fileList;
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92 | fileList = f.listFiles();
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93 | File[] files;
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94 | files = new File[fileList.length + 8];
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95 |
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96 | int index,j,i;
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97 | index = 0;
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98 | for (j = 0 ; j < fileList.length ; j++)
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99 | {
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100 | String name;
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101 | name = fileList[j].getName();
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102 |
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103 | if (isRightXMLExtension(fileList[j]) == true)
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104 | {
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105 | files[index] = fileList[j];
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106 | index++;
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107 | }
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108 | }
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109 |
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110 | for ( i = 0; i < index; i++)
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111 | {
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112 | FileInputStream fi;
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113 | fi = new FileInputStream(files[i]);
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114 | origin = new BufferedInputStream(fi, BUFFER);
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115 | ZipEntry entry;
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116 | entry = new ZipEntry(files[i].getName());
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117 | out.putNextEntry(entry);
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118 | int count;
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119 | while((count = origin.read(data, 0,BUFFER)) != -1)
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120 | {
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121 | out.write(data, 0, count);
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122 | }
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123 | origin.close();
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124 | }
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125 |
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126 | out.close();
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127 | }
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128 | catch(Exception e)
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129 | {
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130 | e.printStackTrace();
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131 | }
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132 | }
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133 |
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134 | /**
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135 | * This method will zip all .log file to MyZipFile.zip file and it will
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136 | * delete the history.log file.
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137 | */
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138 | public void sendZipFile ()
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139 | {
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140 | try
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141 | {
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142 | BufferedInputStream origin;
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143 | origin = null;
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144 | FileOutputStream dest;
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145 | dest = new FileOutputStream("MyZipFile.zip");
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146 | ZipOutputStream out;
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147 | out = new ZipOutputStream(new BufferedOutputStream(dest));
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148 | out.setMethod(ZipOutputStream.DEFLATED);
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149 | byte data[];
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150 | data = new byte[BUFFER];
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151 |
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152 | File f;
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153 | f = new File(".");
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154 | File[] fileList;
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155 | fileList = f.listFiles();
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156 | File[] files;
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157 | files = new File[fileList.length];
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158 |
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159 | int index,i,j;
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160 | index = 0;
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161 | for ( j = 0 ; j < fileList.length ; j++)
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162 | {
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163 | if (isRightLogExtension(fileList[j]) == true)
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164 | {
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165 | files[index] = fileList[j];
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166 | index++;
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167 | }
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168 | }
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169 |
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170 | for (i = 0; i < index; i++)
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171 | {
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172 | FileInputStream fi;
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173 | fi = new FileInputStream(files[i]);
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174 | origin = new BufferedInputStream(fi, BUFFER);
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175 | ZipEntry entry;
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176 | entry = new ZipEntry(files[i].getName());
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177 | out.putNextEntry(entry);
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178 | int count;
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179 | while((count = origin.read(data, 0,BUFFER)) != -1)
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180 | {
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181 | out.write(data, 0, count);
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182 | }
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183 | origin.close();
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184 | }
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185 | out.close();
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186 | File f2;
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187 | f2 = new File("history.log");
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188 | f2.delete();
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189 | }
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190 | catch(Exception e)
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191 | {
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192 | e.printStackTrace();
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193 | }
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194 | }
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195 |
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196 | /**
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197 | * This method will get the extension of the given file.
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198 | * @param f the file we want to know the extension.
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199 | * @return the file extension.
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200 | */
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201 | public String getExtension(File f)
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202 | {
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203 | String ext;
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204 | ext = null;
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205 | String s;
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206 | s = f.getName();
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207 | int i;
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208 | i = s.lastIndexOf('.');
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209 |
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210 | if (i > 0 && i < s.length() - 1)
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211 | {
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212 | ext = s.substring(i+1).toLowerCase();
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213 | }
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214 | return ext;
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215 | }
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216 |
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217 | /**
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218 | * This method will check whether or not the give file has
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219 | * an .xml extension.
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220 | * @param f the file we want to check the extension.
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221 | * @return whether or not the file has xml as its file extension.
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222 | */
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223 | public boolean isRightXMLExtension(File f)
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224 | {
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225 | if (f.isDirectory() == true)
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226 | {
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227 | return false;
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228 | }
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229 | String ext;
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230 | ext = getExtension(f);
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231 | if ((ext != null) && (ext.compareTo("xml") == 0))
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232 | return true;
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233 | else
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234 | return false;
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235 | }
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236 |
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237 | /**
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238 | * This method will check whether or not the give file has
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239 | * an .log extension.
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240 | * @param f the file we want to check the extension.
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241 | * @return whether or not the file has log as its file extension.
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242 | */
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243 | public boolean isRightLogExtension(File f)
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244 | {
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245 | if (f.isDirectory() == true)
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246 | return false;
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247 |
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248 | String ext;
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249 | ext = getExtension(f);
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250 |
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251 | if ((ext != null) && (ext.compareTo("log") == 0))
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252 | return true;
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253 | else
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254 | return false;
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255 | }
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256 | }
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257 |
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258 |
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259 |
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260 |
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261 |
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262 |
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263 |
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264 |
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265 |
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266 |
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