Java Code Examples for org.eclipse.core.resources.IContainer#findMember()

private void validateNewFolderName() {

        String newFolderName = fNewFolderNameText.getText();
        IWorkspace workspace = fFolder.getResource().getWorkspace();
        IStatus nameStatus = workspace.validateName(newFolderName, IResource.FOLDER);

        if ("".equals(newFolderName)) { //$NON-NLS-1$
            updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR,
                    Messages.Dialog_EmptyNameError, null));
            return;
        }

        if (!nameStatus.isOK()) {
            updateStatus(nameStatus);
            return;
        }

        IContainer parentFolder = fFolder.getResource().getParent();
        if (parentFolder.findMember(newFolderName) != null) {
            updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR,
                    Messages.Dialog_ExistingNameError, null));
            return;
        }

        updateStatus(new Status(IStatus.OK, Activator.PLUGIN_ID, "")); //$NON-NLS-1$
    }
 

@Override
protected AbstractPythonWizardPage createPathPage() {
    return new AbstractPythonWizardPage(this.description, selection) {

        @Override
        protected boolean shouldCreatePackageSelect() {
            return true;
        }

        @Override
        protected String checkNameText(String text) {
            String result = super.checkNameText(text);
            if (result != null) {
                return result;
            }
            IContainer p = getValidatedPackage();
            if (p != null && p.findMember(text.concat(".py")) != null) {
                return "The module " + text +
                        " already exists in " + p.getName() + ".";
            }
            return null;
        }

    };
}
 

private boolean willOverwrite(IResource resource) {
	if (resource == null)
		return false;

	IResource destinationResource= ResourceUtil.getResource(fDestination);
	if (destinationResource.equals(resource.getParent()))
		return false;

	if (destinationResource instanceof IContainer) {
		IContainer container= (IContainer)destinationResource;
		IResource member=  container.findMember(resource.getName());
		if (member == null || !member.exists())
			return false;

		return true;
	}
	return false;
}
 

private static String rename(IPath tracePath) {
    IResource existingResource = getExistingResource(tracePath);
    if (existingResource == null) {
        return tracePath.lastSegment();
    }

    // Not using IFolder on purpose to leave the door open to import
    // directly into an IProject
    IContainer folder = existingResource.getParent();

    int i = 2;
    while (true) {
        String name = existingResource.getName() + '(' + Integer.toString(i++) + ')';
        IResource resource = folder.findMember(name);
        if (resource == null) {
            return name;
        }
    }
}
 

/**
 * Prompts the user to rename a trace
 *
 * @param element the conflicting element
 * @return the new name to use or null if rename is canceled
 */
private static String promptRename(ITmfProjectModelElement element) {
    MessageBox mb = new MessageBox(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), SWT.ICON_QUESTION | SWT.CANCEL | SWT.OK);
    mb.setText(Messages.DropAdapterAssistant_RenameTraceTitle);
    mb.setMessage(NLS.bind(Messages.DropAdapterAssistant_RenameTraceMessage, element.getName()));
    if (mb.open() != SWT.OK) {
        return null;
    }
    IContainer folder = element.getResource().getParent();
    int i = 2;
    while (true) {
        String name = element.getName() + '(' + Integer.toString(i++) + ')';
        IResource resource = folder.findMember(name);
        if (resource == null) {
            return name;
        }
    }
}
 

private void validateNewTraceName() {

        String newTraceName = fNewTraceNameText.getText();
        IWorkspace workspace = fTrace.getResource().getWorkspace();
        IStatus nameStatus = workspace.validateName(newTraceName, IResource.FOLDER);

        if ("".equals(newTraceName)) { //$NON-NLS-1$
            updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR,
                    Messages.Dialog_EmptyNameError, null));
            return;
        }

        if (!nameStatus.isOK()) {
            updateStatus(nameStatus);
            return;
        }

        IContainer parentFolder = fTrace.getResource().getParent();
        if (parentFolder.findMember(newTraceName) != null) {
            updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR,
                    Messages.Dialog_ExistingNameError, null));
            return;
        }

        updateStatus(new Status(IStatus.OK, Activator.PLUGIN_ID, "")); //$NON-NLS-1$
    }
 

private boolean willOverwrite(IResource resource) {
	if (resource == null) {
		return false;
	}

	IResource destinationResource= ResourceUtil.getResource(fDestination);
	if (destinationResource.equals(resource.getParent())) {
		return false;
	}

	if (destinationResource instanceof IContainer) {
		IContainer container= (IContainer)destinationResource;
		IResource member=  container.findMember(resource.getName());
		if (member == null || !member.exists()) {
			return false;
		}

		return true;
	}
	return false;
}
 

public static IResource getFileOrFolder(String uriString) {
	IFile file = findFile(uriString); // This may return IFile even when uriString really describes a IContainer
	IContainer parent = file == null ? null : file.getParent();
	if (parent == null) {
		return file;
	}
	try {
		parent.refreshLocal(DEPTH_ONE, null);
	} catch (CoreException e) {
		// Ignore
	}
	if (parent.findMember(file.getName()) instanceof IFolder) {
		return findFolder(uriString);
	}
	return file;
}
 

/**
     * Determines the Resource which should be shown. Respects partial builds.
     * @return
     * @throws CoreException
     */
    public static IResource getOuputResource(IProject project) throws CoreException { 
    	
    	String outFileName = TexlipseProperties.getOutputFileName(project);
        if (outFileName == null || outFileName.length() == 0) {
            throw new CoreException(TexlipsePlugin.stat("Empty output file name."));
        }
        
        // find out the directory where the file should be
        IContainer outputDir = null;
//        String fmtProp = TexlipseProperties.getProjectProperty(project,
//                TexlipseProperties.OUTPUT_FORMAT);
//        if (registry.getFormat().equals(fmtProp)) {
            outputDir = TexlipseProperties.getProjectOutputDir(project);
/*        } else {
            String base = outFileName.substring(0, outFileName.lastIndexOf('.') + 1);
            outFileName = base + registry.getFormat();
            outputDir = TexlipseProperties.getProjectTempDir(project);
        }*/
        if (outputDir == null) {
            outputDir = project;
        }
        
        IResource resource = outputDir.findMember(outFileName);
        return resource != null ? resource : project.getFile(outFileName);
    }
 

/**
 * Find a handle to the index file of this project.
 * @param project the current project
 * @param source buildable resource inside project 
 * @return handle to index file or null if not found.
 *         Returns null also if the index file is older than the current output file
 */
private IResource findNomencl(IProject project, IResource source) {
    
    IContainer srcDir = TexlipseProperties.getProjectSourceDir(project);
    if (srcDir == null) {
        srcDir = project;
    }

    String name = source.getName();
    String nomenclName = name.substring(0, name.length() - source.getFileExtension().length()) + TexlipseProperties.INPUT_FORMAT_NOMENCL;
    IResource idxFile = srcDir.findMember(nomenclName);

    if (idxFile == null) {
        return null;
    }
    
    IResource outFile = TexlipseProperties.getProjectOutputFile(project);
    if (outFile.getLocalTimeStamp() > idxFile.getLocalTimeStamp()) {
        return null;
    }
    
    return idxFile;
}
 

/**
 * Find a handle to the index file of this project.
 * @param project the current project
 * @param source buildable resource inside project 
 * @return handle to index file or null if not found.
 *         Returns null also if the index file is older than the current output file
 */
private IResource findIndex(IProject project, IResource source) {
    
    IContainer srcDir = TexlipseProperties.getProjectSourceDir(project);
    if (srcDir == null) {
        srcDir = project;
    }
    
    String name = source.getName();
    String idxName = name.substring(0, name.length() - source.getFileExtension().length()) + TexlipseProperties.INPUT_FORMAT_IDX;
    IResource idxFile = srcDir.findMember(idxName);
    if (idxFile == null) {
        return null;
    }
    
    IResource outFile = TexlipseProperties.getProjectOutputFile(project);
    if (outFile.getLocalTimeStamp() > idxFile.getLocalTimeStamp()) {
        return null;
    }
    
    return idxFile;
}
 

/**
 * Parse a Bibtex error message from the given line.
 * Create also an error marker to the right place.
 * 
 * @param sourceDir directory containing project's source files 
 * @param line the error message line
 */
private void parseErrorLine(IContainer sourceDir, String line) {
    
    int index = line.indexOf("---line ");
    int index2 = line.indexOf(" of file ", index);
    String lineNumberString = line.substring(index+8, index2);
    
    Integer lineNumber = null;
    try {
        int num = Integer.parseInt(lineNumberString);
        lineNumber = new Integer(num);
    } catch (NumberFormatException e) {
    }
    
    String fileName = line.substring(index2+9);
    IResource resource = sourceDir.findMember(fileName);
    
    String error = line.substring(0, index);
    createMarker(resource, lineNumber, error);
}
 

public static boolean isFolder(String uriString) {
	IFile fakeFile = findFile(uriString); // This may return IFile even when uriString really describes a IContainer
	IContainer parent = fakeFile == null ? null : fakeFile.getParent();
	if (parent == null) {
		return false;
	}
	if (!parent.isSynchronized(DEPTH_ONE)) {
		try {
			parent.refreshLocal(DEPTH_ONE, null);
		} catch (CoreException e) {
			// Ignore
		}
	}
	return (parent.findMember(fakeFile.getName()) instanceof IFolder);
}
 

private void validateNewTraceName() {

        String newTraceName = fNewElementName.getText();
        TmfCommonProjectElement element = fElement;
        IWorkspace workspace = element.getResource().getWorkspace();
        IStatus nameStatus = workspace.validateName(newTraceName, IResource.FOLDER);

        if ("".equals(newTraceName)) { //$NON-NLS-1$
            updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR,
                    Messages.Dialog_EmptyNameError, null));
            return;
        }

        if (!nameStatus.isOK()) {
            updateStatus(nameStatus);
            return;
        }

        IContainer parentFolder = element.getResource().getParent();
        if (parentFolder.findMember(newTraceName) != null) {
            updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR,
                    Messages.Dialog_ExistingNameError, null));
            return;
        }
        TmfTraceFolder tracesFolderElement = element.getProject().getTracesFolder();
        if (tracesFolderElement != null) {
            IFolder tracesFolder = tracesFolderElement.getResource();
            IPath traceDestinationPath = new Path(newTraceName);
            if (tracesFolder.getFolder(traceDestinationPath).exists()) {
                updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR,
                        Messages.Dialog_ExistingNameError, null));
                return;
            }
        }
        updateStatus(new Status(IStatus.OK, Activator.PLUGIN_ID, "")); //$NON-NLS-1$
    }
 

private IResource ensureResource(Class<? extends IResource> resourceClass) throws CoreException {
	if (resource != null && (!resource.isSynchronized(IResource.DEPTH_ZERO) || !resource.exists())) {
		resource = null;
		localFileStore = null;
	}
	if (resource == null) {
		IContainer container = workspaceRoot;
		if (path.segmentCount() > 2) {
			container = workspaceRoot.getFolder(path.removeLastSegments(1));
		} else if (path.segmentCount() == 2) {
			container = workspaceRoot.getProject(path.segment(0));
		}
		if (path.isRoot()) {
			resource = workspaceRoot;
		} else {
			resource = container.findMember(path.lastSegment());
		}
		if (resource == null) {
			if (IFile.class.equals(resourceClass)) {
				resource = workspaceRoot.getFile(path);
			} else if (IFolder.class.equals(resourceClass)) {
				resource = workspaceRoot.getFolder(path);
			}
		}
		if (resourceClass != null && !resourceClass.isInstance(resource)) {
			resource = null;
			Policy.error(EFS.ERROR_WRONG_TYPE, NLS.bind(Messages.failedCreateWrongType, path));
		}
	}
	return resource;
}
 

private static boolean isNewNameOk(IContainer container, String newName) {
	return container.findMember(newName) == null;
}
 

/**
 * Adds a problem marker
 * 
 * @param error The error or warning string
 * @param causingSourceFile name of the sourcefile
 * @param linenr where the error occurs
 * @param severity
 * @param resource
 * @param layout true, if this is a layout warning
 */
private void addProblemMarker(String error, String causingSourceFile,
        int linenr, int severity, IResource resource, boolean layout) {
    
    
	IProject project = resource.getProject();
    IContainer sourceDir = TexlipseProperties.getProjectSourceDir(project);
    
    IResource extResource = null;
    if (causingSourceFile != null) {
    	IPath p = new Path(causingSourceFile);
    	
    	if (p.isAbsolute()) {
    		//Make absolute path relative to source directory
    		//or to the directory of the resource
    		if (sourceDir.getLocation().isPrefixOf(p)) {
    			p = p.makeRelativeTo(sourceDir.getLocation());
    		}
    		else if (resource.getParent().getLocation().isPrefixOf(p)) {
    			p = p.makeRelativeTo(resource.getParent().getLocation());
    		}
    	}

    	extResource = sourceDir.findMember(p);
        if (extResource == null) {
            extResource = resource.getParent().findMember(p);
        }
    }
    if (extResource == null)
        createMarker(resource, null, error + (causingSourceFile != null ? " (Occurance: "
                + causingSourceFile + ")" : ""), severity);
    else {
        if (linenr >= 0) {
            if (layout)
                createLayoutMarker(extResource, new Integer(linenr), error);
            else
                createMarker(extResource, new Integer(linenr), error, severity);
        } else
            createMarker(extResource, null, error, severity);
    }
}
 

private static boolean isNewNameOk(IContainer container, String newName) {
	return container.findMember(newName) == null;
}
 

/**
 * Ensures that both text fields are set.
 */

private void dialogChanged() {
	
	final IContainer container = getProjectContainer();
	if (container==null) {
		updateStatus("Please select a valid parent project.");
		return;
	}
		
	if (choice == RESOURCE_CHOICE.PROJECT_AND_EXTERNAL_FOLDER) {
		final File dir = getExternalFolder();
		if (dir==null) {
			updateStatus("Please select a valid import folder.");
			return;
		}
		if (!dir.exists()) {
			updateStatus("Please select an existing folder.");
			return;
		}
		if (!dir.isDirectory()) {
			updateStatus("Please select directory not a file.");
			return;
		}
		if (container.getFolder(new Path(container.getFullPath().toPortableString()+"/"+dir.getName())).exists()) {
			updateStatus("Please select a folder not existing or delete the existing folder with the name '"+dir.getName()+"'");
			return;
		}
	}
	
	if (choice == RESOURCE_CHOICE.PROJECT_AND_NAME) {
		final String seqName = getSequenceName();
		if (seqName==null) {
			updateStatus("Please set a name for the resource to create.");
			return;
		}
		if (!seqName.endsWith(getFileExtension(defaultName))) {
			updateStatus("The sequence name must end with '"+getFileExtension(defaultName)+"'");
			return;
		}
		if (container.findMember(seqName)!=null) {
			updateStatus("The file '"+seqName+"' already exists.");
			return;
		}
	}
	
	updateStatus(null);
}