public byte[] getBytes() throws JavaModelException { JavaElement pkg = (JavaElement) getParent(); if (pkg instanceof JarPackageFragment) { JarPackageFragmentRoot root = (JarPackageFragmentRoot) pkg.getParent(); ZipFile zip = null; try { zip = root.getJar(); String entryName = Util.concatWith(((PackageFragment) pkg).names, getElementName(), '/'); ZipEntry ze = zip.getEntry(entryName); if (ze != null) { return org.eclipse.jdt.internal.compiler.util.Util.getZipEntryByteContent(ze, zip); } throw new JavaModelException( new JavaModelStatus(IJavaModelStatusConstants.ELEMENT_DOES_NOT_EXIST, this)); } catch (IOException ioe) { throw new JavaModelException(ioe, IJavaModelStatusConstants.IO_EXCEPTION); } catch (CoreException e) { if (e instanceof JavaModelException) { throw (JavaModelException) e; } else { throw new JavaModelException(e); } } finally { JavaModelManager.getJavaModelManager().closeZipFile(zip); } } else { IFile file = (IFile) resource(); return Util.getResourceContentsAsByteArray(file); } }
protected boolean writeClassFileCheck(IFile file, String fileName, byte[] newBytes) throws CoreException { try { byte[] oldBytes = Util.getResourceContentsAsByteArray(file); notEqual: if (newBytes.length == oldBytes.length) { for (int i = newBytes.length; --i >= 0; ) if (newBytes[i] != oldBytes[i]) break notEqual; return false; // bytes are identical so skip them } URI location = file.getLocationURI(); if (location == null) return false; // unable to determine location of this class file String filePath = location.getSchemeSpecificPart(); ClassFileReader reader = new ClassFileReader(oldBytes, filePath.toCharArray()); // ignore local types since they're only visible inside a single method if (!(reader.isLocal() || reader.isAnonymous()) && reader.hasStructuralChanges(newBytes)) { if (JavaBuilder.DEBUG) System.out.println("Type has structural changes " + fileName); // $NON-NLS-1$ addDependentsOf(new Path(fileName), true); this.newState.wasStructurallyChanged(fileName); } } catch (ClassFormatException e) { addDependentsOf(new Path(fileName), true); this.newState.wasStructurallyChanged(fileName); } return true; }
public IBinaryType getBinaryTypeInfo(IFile file, boolean fullyInitialize) throws JavaModelException { JavaElement pkg = (JavaElement) getParent(); if (pkg instanceof JarPackageFragment) { try { IBinaryType info = getJarBinaryTypeInfo((PackageFragment) pkg, fullyInitialize); if (info == null) { throw newNotPresentException(); } return info; } catch (ClassFormatException cfe) { // the structure remains unknown if (JavaCore.getPlugin().isDebugging()) { cfe.printStackTrace(System.err); } return null; } catch (IOException ioe) { throw new JavaModelException(ioe, IJavaModelStatusConstants.IO_EXCEPTION); } catch (CoreException e) { if (e instanceof JavaModelException) { throw (JavaModelException) e; } else { throw new JavaModelException(e); } } } else { byte[] contents = Util.getResourceContentsAsByteArray(file); try { return new ClassFileReader( contents, file.getFullPath().toString().toCharArray(), fullyInitialize); } catch (ClassFormatException cfe) { // the structure remains unknown return null; } } }