bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/internal/resourceFiles/ResourceFile.java

   1 package org.simantics.graph.compiler.internal.resourceFiles;
   2
   3 import java.io.ByteArrayInputStream;
   4 import java.io.InputStream;
   5 import java.io.OutputStreamWriter;
   6 import java.io.StringWriter;
   7 import java.io.Writer;
   8 import java.net.URL;
   9 import java.nio.charset.Charset;
  10 import java.util.Arrays;
  11 import java.util.Collection;
  12 import java.util.Collections;
  13 import java.util.List;
  14
  15 import org.simantics.graph.IResourceFile;
  16
  17 import freemarker.cache.URLTemplateLoader;
  18 import freemarker.template.Configuration;
  19 import freemarker.template.DefaultObjectWrapper;
  20 import freemarker.template.Template;
  21
  22 public class ResourceFile implements IResourceFile {
  23     private final static Charset UTF8 = Charset.forName("UTF-8");
  24
  25         String packageName;
  26         String className;
  27         List<ResourceRef> resources;
  28
  29         public ResourceFile(String packageName, String className,
  30                         List<ResourceRef> resources) {
  31                 this.packageName = packageName;
  32                 this.className = className;
  33                 this.resources = resources;
  34         }
  35
  36         /* (non-Javadoc)
  37          * @see org.simantics.graph.resourceFiles.IResourceFile#getPackageName()
  38          */
  39         @Override
  40         public String getPackageName() {
  41                 return packageName;
  42         }
  43
  44         /* (non-Javadoc)
  45          * @see org.simantics.graph.resourceFiles.IResourceFile#getClassName()
  46          */
  47         @Override
  48         public String getClassName() {
  49                 return className;
  50         }
  51
  52         public Collection<ResourceRef> getResources() {
  53                 return resources;
  54         }
  55
  56         private static Configuration configuration = null;
  57         private static Configuration getConfiguration() {
  58                 if(configuration == null) {
  59                         configuration = new Configuration();
  60                         configuration.setTemplateLoader(
  61                                         new URLTemplateLoader() {
  62                                                 @Override
  63                                                 protected URL getURL(String name) {
  64                                                         return ResourceFile.class.getResource(name);
  65                                                 }
  66                                         });
  67                         configuration.setObjectWrapper(new DefaultObjectWrapper());
  68                 }
  69                 return configuration;
  70         }
  71
  72         /* (non-Javadoc)
  73          * @see org.simantics.graph.resourceFiles.IResourceFile#write(java.io.Writer)
  74          */
  75         @Override
  76         public void write(Writer writer) {
  77                 try {
  78                         Template temp =
  79                                 getConfiguration().getTemplate("resourceFile.ftl");
  80
  81                         temp.process(this, writer);
  82                 } catch (Exception e) {
  83                         // TODO Auto-generated catch block
  84                         e.printStackTrace();
  85                 }
  86         }
  87
  88         /* (non-Javadoc)
  89          * @see org.simantics.graph.resourceFiles.IResourceFile#getContent()
  90          */
  91         @Override
  92         public InputStream getContent() {
  93                 StringWriter writer = new StringWriter();
  94                 write(String.format("%n").length() == 1 ? new FilterCRWriter(writer) : writer);
  95                 return new ByteArrayInputStream(writer.toString().getBytes(UTF8));
  96         }
  97
  98         /* (non-Javadoc)
  99          * @see org.simantics.graph.resourceFiles.IResourceFile#getFileName()
 100          */
 101         @Override
 102         public String getFileName() {
 103                 return "src/" + packageName.replace('.', '/') + "/" + className + ".java";
 104         }
 105
 106         public void sort() {
 107                 Collections.sort(resources);
 108         }
 109
 110         public static void main(String[] args) {
 111                 /*ResourceRef Foo = new ResourceRef("Foo", "http://www.dsf.sdf/Foo");
 112                 ResourceRef Bar = new ResourceRef("Foo", "http://www.dsf.sdf/Bar");
 113                 Bar.deprecated = true;
 114                 new ResourceFile("org.simantics.graph", "Testi", Arrays.<ResourceRef>asList(
 115                                 Foo, Bar
 116                         )).write(new OutputStreamWriter(System.out));*/
 117             System.out.println(String.format("%n").length());
 118         }
 119 }