platform/lang-impl/src/com/intellij/util/ui/classpath/GlobalLibraryReferenceElement.java

   1 package com.intellij.util.ui.classpath;
   2
   3 import org.jetbrains.annotations.NotNull;
   4 import org.jetbrains.annotations.NonNls;
   5 import org.jdom.Element;
   6 import com.intellij.openapi.roots.libraries.LibraryTablesRegistrar;
   7 import com.intellij.openapi.roots.libraries.LibraryTable;
   8 import com.intellij.openapi.roots.libraries.Library;
   9 import com.intellij.openapi.roots.OrderRootType;
  10 import com.intellij.openapi.vfs.VirtualFile;
  11
  12 import java.util.List;
  13 import java.util.Collections;
  14 import java.util.ArrayList;
  15 import java.io.IOException;
  16
  17 /**
  18  * @author nik
  19  */
  20 public class GlobalLibraryReferenceElement implements SimpleClasspathElement {
  21   @NonNls public static final String NAME_ATTRIBUTE = "name";
  22   @NonNls public static final String LEVEL_ATTRIBUTE = "level";
  23   private final String myLibraryName;
  24
  25   public GlobalLibraryReferenceElement(@NotNull String libraryName) {
  26     myLibraryName = libraryName;
  27   }
  28
  29   public GlobalLibraryReferenceElement(@NotNull Element element) {
  30     myLibraryName = element.getAttributeValue(NAME_ATTRIBUTE);
  31   }
  32
  33   public String getPresentableName() {
  34     return myLibraryName;
  35   }
  36
  37   public void writeExternal(Element element) {
  38     element.setAttribute(NAME_ATTRIBUTE, myLibraryName);
  39     //todo[nik,greg] remote later. this is needed only for forward compatibility with version before 8
  40     element.setAttribute(LEVEL_ATTRIBUTE, LibraryTablesRegistrar.APPLICATION_LEVEL);
  41   }
  42
  43   public Library getLibrary() {
  44     final LibraryTable libraryTable = LibraryTablesRegistrar.getInstance().getLibraryTable();
  45     return libraryTable.getLibraryByName(myLibraryName);
  46   }
  47
  48   public String getLibraryName() {
  49     return myLibraryName;
  50   }
  51
  52   public void serialize(Element element) throws IOException {
  53     element.setAttribute(NAME_ATTRIBUTE, myLibraryName);
  54     //todo[nik,greg] remote later. this is needed only for forward compatibility with version before 8
  55     element.setAttribute(LEVEL_ATTRIBUTE, LibraryTablesRegistrar.APPLICATION_LEVEL);
  56   }
  57
  58   public List<String> getClassesRootUrls() {
  59     final Library library = getLibrary();
  60     if (library != null) {
  61       final List<String> list = new ArrayList<String>();
  62       for (VirtualFile file : library.getFiles(OrderRootType.CLASSES)) {
  63         list.add(file.getUrl());
  64       }
  65       return list;
  66     }
  67     return Collections.emptyList();
  68   }
  69 }