Java JavaPlugin.log方法代码示例

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
/**
 * Appends the styled label for a type parameter.
 *
 * @param typeParameter the element to render
 * @param flags the rendering flags. Flags with names starting with 'T_' are considered.
 */
public void appendTypeParameterLabel(ITypeParameter typeParameter, long flags) {
  try {
    appendTypeParameterWithBounds(typeParameter, flags);

    // post qualification
    if (getFlag(flags, JavaElementLabels.TP_POST_QUALIFIED)) {
      fBuffer.append(JavaElementLabels.CONCAT_STRING);
      IMember declaringMember = typeParameter.getDeclaringMember();
      appendElementLabel(
          declaringMember,
          JavaElementLabels.M_PARAMETER_TYPES
              | JavaElementLabels.M_FULLY_QUALIFIED
              | JavaElementLabels.T_FULLY_QUALIFIED
              | (flags & QUALIFIER_FLAGS));
    }

  } catch (JavaModelException e) {
    JavaPlugin.log(e); // NotExistsException will not reach this point
  }
}
 

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
public ImportRewrite getImportRewrite() {
  if (fImportRewrite == null) {
    // lazily initialized to avoid lengthy processing in checkInitialConditions(..)
    try {
      /* If bindings are to be resolved, then create the AST, so that
       * ImportRewrite#setUseContextToFilterImplicitImports(boolean) will be set to true
       * and ContextSensitiveImportRewriteContext etc. can be used. */
      if (fRoot == null && !fResolveBindings) {
        fImportRewrite = StubUtility.createImportRewrite(fCu, true);
      } else {
        fImportRewrite = StubUtility.createImportRewrite(getRoot(), true);
      }
    } catch (CoreException e) {
      JavaPlugin.log(e);
      throw new IllegalStateException(e.getMessage()); // like ASTParser#createAST(..) does
    }
  }
  return fImportRewrite;
}
 

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
/**
 * Instantiates the resolvers contributed to the context type with id <code>contextTypeId</code>.
 * If instantiation of one resolver fails, the exception are logged and operation continues.
 *
 * @param extensions the configuration elements to parse
 * @param contextTypeId the id of the context type for which resolvers are instantiated
 * @return the instantiated resolvers
 */
private static TemplateVariableResolver[] createResolvers(
    IConfigurationElement[] extensions, String contextTypeId) {
  List resolvers = new ArrayList();
  for (int i = 0; i < extensions.length; i++) {
    if (extensions[i].getName().equals(RESOLVER)) {
      String declaredId = extensions[i].getAttribute(CONTEXT_TYPE_ID);
      if (contextTypeId.equals(declaredId)) {
        try {
          TemplateVariableResolver resolver = createResolver(extensions[i]);
          if (resolver != null) resolvers.add(resolver);
        } catch (CoreException e) {
          JavaPlugin.log(e);
        }
      }
    }
  }

  return (TemplateVariableResolver[])
      resolvers.toArray(new TemplateVariableResolver[resolvers.size()]);
}
 

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
/**
 * Removes a package fragment. Retries if deletion failed (e.g. because the indexer still locks a
 * file).
 *
 * @param pack the package to delete
 * @throws CoreException if operation failed
 */
public static void deletePackage(IPackageFragment pack) throws CoreException {
  for (int i = 0; i < MAX_RETRY; i++) {
    try {
      pack.delete(true, null);
      i = MAX_RETRY;
    } catch (CoreException e) {
      if (i == MAX_RETRY - 1) {
        JavaPlugin.log(e);
        throw e;
      }
      try {
        JavaPlugin.log(
            new IllegalStateException(
                "sleep before retrying JavaProjectHelper.delete() for package "
                    + pack.getHandleIdentifier()));
        Thread.sleep(RETRY_DELAY); // give other threads time to close the file
      } catch (InterruptedException e1) {
      }
    }
  }
}
 

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
public boolean isInsideJRE(IJavaElement element) {
  IPackageFragmentRoot root =
      (IPackageFragmentRoot) element.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
  if (root != null) {
    try {
      IClasspathEntry entry = root.getRawClasspathEntry();
      if (entry.getEntryKind() == IClasspathEntry.CPE_CONTAINER) {
        IClasspathContainer container =
            JavaCore.getClasspathContainer(entry.getPath(), root.getJavaProject());
        return container != null && container.getKind() == IClasspathContainer.K_DEFAULT_SYSTEM;
      }
      return false;
    } catch (JavaModelException e) {
      JavaPlugin.log(e);
    }
  }
  return true; // include JRE in doubt
}
 

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
@Override
public void updateNode() throws JavaModelException {
  int start = fNode.getStartPosition();
  int length = fNode.getLength();
  String msg =
      "Cannot update found node: nodeType="
          + fNode.getNodeType()
          + "; " // $NON-NLS-1$//$NON-NLS-2$
          + fNode.toString()
          + "["
          + start
          + ", "
          + length
          + "] in "
          + fCuRewrite.getCu(); // $NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
  JavaPlugin.log(
      new Exception(
          msg
              + ":\n"
              + fCuRewrite
                  .getCu()
                  .getSource()
                  .substring(start, start + length))); // $NON-NLS-1$
  fResult.addError(msg, JavaStatusContext.create(fCuRewrite.getCu(), fNode));
}
 

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
/**
 * Old API. Consider to use format2 (TextEdit)
 *
 * @param kind Use to specify the kind of the code snippet to format. It can be any of the kind
 *     constants defined in {@link org.eclipse.jdt.core.formatter.CodeFormatter}
 * @param source The source to format
 * @param indentationLevel The initial indentation level, used to shift left/right the entire
 *     source fragment. An initial indentation level of zero or below has no effect.
 * @param lineSeparator The line separator to use in formatted source, if set to <code>null</code>
 *     , then the platform default one will be used.
 * @param options The options map to use for formatting with the default code formatter.
 *     Recognized options are documented on {@link
 *     org.eclipse.jdt.core.JavaCore#getDefaultOptions()}. If set to <code>null</code>, then use
 *     the current settings from {@link org.eclipse.jdt.core.JavaCore#getOptions()}.
 * @return the formatted source string
 */
public static String format(
    int kind,
    String source,
    int indentationLevel,
    String lineSeparator,
    Map<String, String> options) {
  TextEdit edit = format2(kind, source, indentationLevel, lineSeparator, options);
  if (edit == null) {
    return source;
  } else {
    Document document = new Document(source);
    try {
      edit.apply(document, TextEdit.NONE);
    } catch (BadLocationException e) {
      JavaPlugin.log(e); // bug in the formatter
      Assert.isTrue(
          false,
          "Formatter created edits with wrong positions: " + e.getMessage()); // $NON-NLS-1$
    }
    return document.get();
  }
}
 

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
protected IPackageFragment choosePackage() {
	IPackageFragmentRoot froot = getPackageFragmentRoot();
	IJavaElement[] packages = null;
	try {
		if (froot != null && froot.exists()) {
			packages = froot.getChildren();
		}
	} catch (JavaModelException e) {
		JavaPlugin.log(e);
	}
	if (packages == null) {
		packages = new IJavaElement[0];
	}

	ElementListSelectionDialog dialog = new ElementListSelectionDialog(getShell(), new JavaElementLabelProvider(
			JavaElementLabelProvider.SHOW_DEFAULT));
	dialog.setIgnoreCase(false);
	dialog.setTitle(NewWizardMessages.NewTypeWizardPage_ChoosePackageDialog_title);
	dialog.setMessage(NewWizardMessages.NewTypeWizardPage_ChoosePackageDialog_description);
	dialog.setEmptyListMessage(NewWizardMessages.NewTypeWizardPage_ChoosePackageDialog_empty);
	dialog.setElements(packages);
	dialog.setHelpAvailable(false);
	if (dialog.open() == Window.OK) {
		return (IPackageFragment) dialog.getFirstResult();
	}
	return null;
}
 

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
private FinishResult internalPerformFinish(PerformChangeOperation op) {
  op.setUndoManager(RefactoringCore.getUndoManager(), refactoring.getName());
  try {
    ResourcesPlugin.getWorkspace().run(op, new NullProgressMonitor());
  } catch (CoreException e) {
    JavaPlugin.log(e);
    return FinishResult.createException();
  }
  return FinishResult.createOK();
}
 

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
/**
 * Called before document changes occur. It must be followed by a call to postReplace().
 *
 * @param document the document on which to track the reference position.
 * @param offset the offset
 * @throws org.eclipse.jface.text.BadLocationException if the offset describes an invalid range
 *     in this document
 */
public void preReplace(IDocument document, int offset) throws BadLocationException {
  fPosition.setOffset(offset);
  try {
    document.addPositionCategory(CATEGORY);
    document.addPositionUpdater(fPositionUpdater);
    document.addPosition(CATEGORY, fPosition);

  } catch (BadPositionCategoryException e) {
    // should not happen
    JavaPlugin.log(e);
  }
}
 

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
private static boolean hasFatalError(CompilationUnit compilationUnit) {
  try {
    if (!((ICompilationUnit) compilationUnit.getJavaElement()).isStructureKnown()) return true;
  } catch (JavaModelException e) {
    JavaPlugin.log(e);
    return true;
  }

  IProblem[] problems = compilationUnit.getProblems();
  for (int i = 0; i < problems.length; i++) {
    if (problems[i].isError()) {
      if (!(problems[i] instanceof CategorizedProblem)) return true;

      CategorizedProblem categorizedProblem = (CategorizedProblem) problems[i];
      int categoryID = categorizedProblem.getCategoryID();

      if (categoryID == CategorizedProblem.CAT_BUILDPATH) return true;
      if (categoryID == CategorizedProblem.CAT_SYNTAX) return true;
      if (categoryID == CategorizedProblem.CAT_IMPORT) return true;
      if (categoryID == CategorizedProblem.CAT_TYPE) return true;
      if (categoryID == CategorizedProblem.CAT_MEMBER) return true;
      if (categoryID == CategorizedProblem.CAT_INTERNAL) return true;
    }
  }

  return false;
}
 

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
private Image getImageForType(IType type) {
  ImageDescriptor imageName = JavaPluginImages.DESC_OBJS_CLASS; // default
  try {
    if (type.isAnnotation()) {
      imageName = JavaPluginImages.DESC_OBJS_ANNOTATION;
    } else if (type.isInterface()) {
      imageName = JavaPluginImages.DESC_OBJS_INTERFACE;
    }
  } catch (JavaModelException e) {
    JavaPlugin.log(e);
  }
  return JavaPluginImages.get(imageName);
}
 

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
/**
 * {@inheritDoc}
 *
 * <p>Subclasses may replace, but usually should not need to. Consider replacing {@linkplain
 * #createJavaCompletionProposal(org.eclipse.jdt.core.CompletionProposal)
 * createJavaCompletionProposal} instead.
 */
@Override
public void accept(CompletionProposal proposal) {
  long start = DEBUG ? System.currentTimeMillis() : 0;
  try {
    if (isFiltered(proposal)) return;

    if (proposal.getKind() == CompletionProposal.POTENTIAL_METHOD_DECLARATION) {
      acceptPotentialMethodDeclaration(proposal);
    } else {
      IJavaCompletionProposal javaProposal = createJavaCompletionProposal(proposal);
      if (javaProposal != null) {
        fJavaProposals.add(javaProposal);
        if (proposal.getKind() == CompletionProposal.KEYWORD) fKeywords.add(javaProposal);
      }
    }
  } catch (IllegalArgumentException e) {
    // all signature processing method may throw IAEs
    // https://bugs.eclipse.org/bugs/show_bug.cgi?id=84657
    // don't abort, but log and show all the valid proposals
    JavaPlugin.log(
        new Status(
            IStatus.ERROR,
            JavaPlugin.getPluginId(),
            IStatus.OK,
            "Exception when processing proposal for: " + String.valueOf(proposal.getCompletion()),
            e)); // $NON-NLS-1$
  }

  if (DEBUG) fUITime += System.currentTimeMillis() - start;
}
 

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
public boolean canChangeNameAndReturnType() {
  try {
    return !fMethod.isConstructor();
  } catch (JavaModelException e) {
    JavaPlugin.log(e);
    return false;
  }
}
 

import org.eclipse.jdt.internal.ui.JavaPlugin; //导入方法依赖的package包/类
public static String asFormattedString(
    ASTNode node, int indent, String lineDelim, Map<String, String> options) {
  String unformatted = asString(node);
  TextEdit edit = CodeFormatterUtil.format2(node, unformatted, indent, lineDelim, options);
  if (edit != null) {
    Document document = new Document(unformatted);
    try {
      edit.apply(document, TextEdit.NONE);
    } catch (BadLocationException e) {
      JavaPlugin.log(e);
    }
    return document.get();
  }
  return unformatted; // unknown node
}