1 /* |
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2 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package jdk.packager.internal; |
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27 |
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28 import java.io.ByteArrayOutputStream; |
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29 import java.io.File; |
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30 import java.io.FileInputStream; |
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31 import java.io.BufferedInputStream; |
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32 import java.io.IOException; |
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33 import java.io.InputStream; |
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34 import java.nio.file.StandardCopyOption; |
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35 import java.nio.file.Files; |
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36 import java.text.MessageFormat; |
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37 import java.util.Map; |
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38 import java.util.ResourceBundle; |
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39 |
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40 /** |
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41 * AbstractBundler |
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42 * |
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43 * This is the base class all Bundlers extend from. |
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44 * It contains methods and parameters common to all Bundlers. |
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45 * The concrete implementations are in the platform specific Bundlers. |
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46 */ |
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47 public abstract class AbstractBundler implements Bundler { |
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48 |
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49 private static final ResourceBundle I18N = ResourceBundle.getBundle( |
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50 "jdk.packager.internal.resources.AbstractBundler"); |
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51 |
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52 public static final BundlerParamInfo<File> IMAGES_ROOT = |
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53 new StandardBundlerParam<>( |
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54 I18N.getString("param.images-root.name"), |
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55 I18N.getString("param.images-root.description"), |
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56 "imagesRoot", |
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57 File.class, |
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58 params -> new File( |
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59 StandardBundlerParam.BUILD_ROOT.fetchFrom(params), "images"), |
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60 (s, p) -> null); |
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61 |
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62 // do not use file separator - |
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63 // we use it for classpath lookup and there / are not platform specific |
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64 public final static String BUNDLER_PREFIX = "package/"; |
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65 |
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66 protected Class<?> baseResourceLoader = null; |
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67 |
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68 protected void fetchResource(String publicName, String category, |
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69 String defaultName, File result, boolean verbose, File publicRoot) |
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70 throws IOException { |
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71 InputStream is = streamResource(publicName, category, |
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72 defaultName, verbose, publicRoot); |
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73 if (is != null) { |
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74 try { |
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75 Files.copy(is, result.toPath(), |
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76 StandardCopyOption.REPLACE_EXISTING); |
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77 } finally { |
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78 is.close(); |
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79 } |
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80 } else { |
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81 if (verbose) { |
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82 Log.info(MessageFormat.format(I18N.getString( |
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83 "message.using-default-resource"), |
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84 category == null ? "" : "[" + category + "] ", |
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85 publicName)); |
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86 } |
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87 } |
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88 } |
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89 |
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90 protected void fetchResource(String publicName, String category, |
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91 File defaultFile, File result, boolean verbose, File publicRoot) |
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92 throws IOException { |
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93 InputStream is = streamResource(publicName, category, |
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94 null, verbose, publicRoot); |
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95 if (is != null) { |
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96 try { |
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97 Files.copy(is, result.toPath()); |
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98 } finally { |
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99 is.close(); |
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100 } |
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101 } else { |
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102 IOUtils.copyFile(defaultFile, result); |
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103 if (verbose) { |
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104 Log.info(MessageFormat.format(I18N.getString( |
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105 "message.using-custom-resource-from-file"), |
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106 category == null ? "" : "[" + category + "] ", |
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107 defaultFile.getAbsoluteFile())); |
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108 } |
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109 } |
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110 } |
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111 |
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112 private InputStream streamResource(String publicName, String category, |
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113 String defaultName, boolean verbose, File publicRoot) |
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114 throws IOException { |
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115 boolean custom = false; |
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116 InputStream is = null; |
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117 if (publicName != null) { |
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118 if (publicRoot != null) { |
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119 File publicResource = new File(publicRoot, publicName); |
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120 if (publicResource.exists() && publicResource.isFile()) { |
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121 is = new BufferedInputStream( |
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122 new FileInputStream(publicResource)); |
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123 } |
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124 } else { |
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125 is = baseResourceLoader.getClassLoader().getResourceAsStream( |
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126 publicName); |
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127 } |
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128 custom = (is != null); |
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129 } |
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130 if (is == null && defaultName != null) { |
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131 is = baseResourceLoader.getResourceAsStream(defaultName); |
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132 } |
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133 if (verbose && is != null) { |
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134 String msg = null; |
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135 if (custom) { |
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136 msg = MessageFormat.format(I18N.getString( |
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137 "message.using-custom-resource-from-classpath"), |
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138 category == null ? |
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139 "" : "[" + category + "] ", publicName); |
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140 } else { |
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141 msg = MessageFormat.format(I18N.getString( |
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142 "message.using-default-resource-from-classpath"), |
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143 category == null ? |
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144 "" : "[" + category + "] ", publicName); |
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145 } |
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146 Log.info(msg); |
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147 } |
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148 return is; |
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149 } |
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150 |
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151 protected String preprocessTextResource(String publicName, String category, |
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152 String defaultName, Map<String, String> pairs, |
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153 boolean verbose, File publicRoot) throws IOException { |
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154 InputStream inp = streamResource( |
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155 publicName, category, defaultName, verbose, publicRoot); |
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156 if (inp == null) { |
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157 throw new RuntimeException( |
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158 "Jar corrupt? No " + defaultName + " resource!"); |
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159 } |
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160 |
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161 // read fully into memory |
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162 ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
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163 byte[] buffer = new byte[1024]; |
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164 int length; |
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165 while ((length = inp.read(buffer)) != -1) { |
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166 baos.write(buffer, 0, length); |
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167 } |
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168 |
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169 // substitute |
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170 String result = new String(baos.toByteArray()); |
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171 for (Map.Entry<String, String> e : pairs.entrySet()) { |
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172 if (e.getValue() != null) { |
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173 result = result.replace(e.getKey(), e.getValue()); |
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174 } |
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175 } |
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176 return result; |
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177 } |
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178 |
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179 @Override |
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180 public String toString() { |
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181 return getName(); |
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182 } |
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183 |
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184 @Override |
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185 public void cleanup(Map<String, ? super Object> params) { |
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186 try { |
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187 if (!Log.isDebug()) { |
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188 IOUtils.deleteRecursive( |
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189 StandardBundlerParam.BUILD_ROOT.fetchFrom(params)); |
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190 } |
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191 } catch (IOException e) { |
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192 Log.debug(e.getMessage()); |
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193 } |
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194 } |
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195 } |
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