Java Util.concatWith方法代码示例

import org.eclipse.jdt.internal.core.util.Util; //导入方法依赖的package包/类
private IPath getPath(IJavaElement element, boolean relativeToRoot) {
  switch (element.getElementType()) {
    case IJavaElement.JAVA_MODEL:
      return Path.EMPTY;
    case IJavaElement.JAVA_PROJECT:
      return element.getPath();
    case IJavaElement.PACKAGE_FRAGMENT_ROOT:
      if (relativeToRoot) return Path.EMPTY;
      return element.getPath();
    case IJavaElement.PACKAGE_FRAGMENT:
      String relativePath = Util.concatWith(((PackageFragment) element).names, '/');
      return getPath(element.getParent(), relativeToRoot).append(new Path(relativePath));
    case IJavaElement.COMPILATION_UNIT:
    case IJavaElement.CLASS_FILE:
      return getPath(element.getParent(), relativeToRoot)
          .append(new Path(element.getElementName()));
    default:
      return getPath(element.getParent(), relativeToRoot);
  }
}
 

import org.eclipse.jdt.internal.core.util.Util; //导入方法依赖的package包/类
private IPath getPath(IJavaElement element, boolean relativeToRoot) {
	switch (element.getElementType()) {
		case IJavaElement.JAVA_MODEL:
			return Path.EMPTY;
		case IJavaElement.JAVA_PROJECT:
			return element.getPath();
		case IJavaElement.PACKAGE_FRAGMENT_ROOT:
			if (relativeToRoot)
				return Path.EMPTY;
			return element.getPath();
		case IJavaElement.PACKAGE_FRAGMENT:
			String relativePath = Util.concatWith(((PackageFragment) element).names, '/');
			return getPath(element.getParent(), relativeToRoot).append(new Path(relativePath));
		case IJavaElement.COMPILATION_UNIT:
		case IJavaElement.CLASS_FILE:
			return getPath(element.getParent(), relativeToRoot).append(new Path(element.getElementName()));
		default:
			return getPath(element.getParent(), relativeToRoot);
	}
}
 

import org.eclipse.jdt.internal.core.util.Util; //导入方法依赖的package包/类
private IBinaryType getJarBinaryTypeInfo(PackageFragment pkg, boolean fullyInitialize) throws CoreException, IOException, ClassFormatException {
	JarPackageFragmentRoot root = (JarPackageFragmentRoot) pkg.getParent();
	ZipFile zip = null;
	try {
		zip = root.getJar();
		String entryName = Util.concatWith(pkg.names, getElementName(), '/');
		ZipEntry ze = zip.getEntry(entryName);
		if (ze != null) {
			byte contents[] = org.eclipse.jdt.internal.compiler.util.Util.getZipEntryByteContent(ze, zip);
			String fileName = root.getHandleIdentifier() + IDependent.JAR_FILE_ENTRY_SEPARATOR + entryName;
			return new ClassFileReader(contents, fileName.toCharArray(), fullyInitialize);
		}
	} finally {
		JavaModelManager.getJavaModelManager().closeZipFile(zip);
	}
	return null;
}
 

import org.eclipse.jdt.internal.core.util.Util; //导入方法依赖的package包/类
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);
	}
}
 

import org.eclipse.jdt.internal.core.util.Util; //导入方法依赖的package包/类
/**
 * Possible failures: <ul>
 *  <li>NO_ELEMENTS_TO_PROCESS - the root supplied to the operation is
 * 		<code>null</code>.
 *	<li>INVALID_NAME - the name provided to the operation
 * 		is <code>null</code> or is not a valid package fragment name.
 *	<li>READ_ONLY - the root provided to this operation is read only.
 *	<li>NAME_COLLISION - there is a pre-existing resource (file)
 * 		with the same name as a folder in the package fragment's hierarchy.
 *	<li>ELEMENT_NOT_PRESENT - the underlying resource for the root is missing
 * </ul>
 * @see IJavaModelStatus
 * @see JavaConventions
 */
public IJavaModelStatus verify() {
	IJavaElement parentElement = getParentElement();
	if (parentElement == null) {
		return new JavaModelStatus(IJavaModelStatusConstants.NO_ELEMENTS_TO_PROCESS);
	}

	String packageName = this.pkgName == null ? null : Util.concatWith(this.pkgName, '.');
	IJavaProject project = parentElement.getJavaProject();
	if (this.pkgName == null || (this.pkgName.length > 0 && JavaConventions.validatePackageName(packageName, project.getOption(JavaCore.COMPILER_SOURCE, true), project.getOption(JavaCore.COMPILER_COMPLIANCE, true)).getSeverity() == IStatus.ERROR)) {
		return new JavaModelStatus(IJavaModelStatusConstants.INVALID_NAME, packageName);
	}
	IJavaElement root = getParentElement();
	if (root.isReadOnly()) {
		return new JavaModelStatus(IJavaModelStatusConstants.READ_ONLY, root);
	}
	IContainer parentFolder = (IContainer) ((JavaElement) root).resource();
	int i;
	for (i = 0; i < this.pkgName.length; i++) {
		IResource subFolder = parentFolder.findMember(this.pkgName[i]);
		if (subFolder != null) {
			if (subFolder.getType() != IResource.FOLDER) {
				return new JavaModelStatus(
					IJavaModelStatusConstants.NAME_COLLISION,
					Messages.bind(Messages.status_nameCollision, subFolder.getFullPath().toString()));
			}
			parentFolder = (IContainer) subFolder;
		}
	}
	return JavaModelStatus.VERIFIED_OK;
}
 

import org.eclipse.jdt.internal.core.util.Util; //导入方法依赖的package包/类
public String getElementName() {
	if (this.names.length == 0)
		return DEFAULT_PACKAGE_NAME;
	return Util.concatWith(this.names, '.');
}