Java tutorial
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For more * information on the ObjectStyle Group, please see * <http://objectstyle.org/>. * */ package org.objectstyle.wolips.refactoring; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.JavaConventions; import org.eclipse.jdt.core.JavaCore; import org.eclipse.jdt.core.JavaModelException; import org.eclipse.jdt.internal.corext.refactoring.JDTRefactoringDescriptorComment; import org.eclipse.jdt.internal.corext.refactoring.changes.DynamicValidationStateChange; import org.eclipse.jdt.internal.corext.util.Messages; import org.eclipse.ltk.core.refactoring.Change; import org.eclipse.ltk.core.refactoring.RefactoringDescriptor; import org.eclipse.ltk.core.refactoring.RefactoringStatus; import org.eclipse.ltk.core.refactoring.resource.RenameResourceDescriptor; import org.eclipse.ltk.internal.core.refactoring.resource.RenameResourceProcessor; import org.objectstyle.wolips.locate.LocatePlugin; public class RenameWOComponentProcessor extends RenameResourceProcessor { private final IResource _resource; public RenameWOComponentProcessor(IResource resource) { super(resource); _resource = resource; } @Override public Change createChange(final IProgressMonitor pm) throws JavaModelException { pm.beginTask("", 1); //$NON-NLS-1$ try { String project = null; if (_resource.getType() != IResource.PROJECT) { project = _resource.getProject().getName(); } // TODO Replace Core messages. final String header = Messages.format("Renaming WO Component {0} to {1}", new String[] { _resource.getFullPath().toString(), getNewResourceName() }); final String description = Messages.format("Renaming WO Component {0}", _resource.getName()); final String comment = new JDTRefactoringDescriptorComment(project, this, header).asString(); final int flags = RefactoringDescriptor.STRUCTURAL_CHANGE | RefactoringDescriptor.MULTI_CHANGE | RefactoringDescriptor.BREAKING_CHANGE; final RenameResourceDescriptor descriptor = new RenameResourceDescriptor(); descriptor.setProject(project); descriptor.setDescription(description); descriptor.setComment(comment); descriptor.setFlags(flags); descriptor.setResourcePath(_resource.getLocation()); descriptor.setNewName(getNewResourceName() + ".wo"); return new DynamicValidationStateChange( new RenameWOComponentChange(descriptor, _resource, getNewResourceName() + ".wo", comment)); } finally { pm.done(); } } @Override public void setNewResourceName(String newName) { String name = LocatePlugin.getDefault().fileNameWithoutExtension(newName); super.setNewResourceName(name); } @Override public RefactoringStatus validateNewElementName(String newName) { //TODO Return custom error message IProject project = _resource.getProject(); IJavaProject jProject = JavaCore.create(project); String sourceLevel = jProject.getOption(JavaCore.COMPILER_SOURCE, true); String compliance = jProject.getOption(JavaCore.COMPILER_COMPLIANCE, true); IStatus status = JavaConventions.validateCompilationUnitName(newName + ".java", sourceLevel, compliance); if (!status.isOK()) return RefactoringStatus.create(status); return super.validateNewElementName(newName); } }