Java tutorial
/******************************************************************************* * Copyright (c) 2008-2010 Sonatype, Inc. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Sonatype, Inc. - initial API and implementation *******************************************************************************/ package org.eclipse.m2e.editor.xml; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.eclipse.jface.action.IContributionItem; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.viewers.ILabelProvider; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.swt.graphics.Image; import org.eclipse.wst.xml.ui.views.contentoutline.XMLContentOutlineConfiguration; import org.eclipse.m2e.editor.xml.internal.XmlUtils; /** * @author Eugene Kuleshov */ public class PomContentOutlineConfiguration extends XMLContentOutlineConfiguration { public ILabelProvider getLabelProvider(TreeViewer viewer) { return new PomLabelProvider(super.getLabelProvider(viewer)); } /** * POM label provider */ private final class PomLabelProvider implements ILabelProvider { private static final String TARGET_PATH = "targetPath"; //$NON-NLS-1$ private static final String DIRECTORY = "directory"; //$NON-NLS-1$ private static final String REPORT_SET = "reportSet"; //$NON-NLS-1$ private static final String PROPERTIES = "properties"; //$NON-NLS-1$ private static final String REPORTING = "reporting"; //$NON-NLS-1$ private static final String BUILD = "build"; //$NON-NLS-1$ private static final String EXCLUDE = "exclude"; //$NON-NLS-1$ private static final String INCLUDE = "include"; //$NON-NLS-1$ private static final String FILTER = "filter"; //$NON-NLS-1$ private static final String TEST_RESOURCE = "testResource"; //$NON-NLS-1$ private static final String RESOURCE = "resource"; //$NON-NLS-1$ private static final String TEST_RESOURCES = "testResources"; //$NON-NLS-1$ private static final String RESOURCES = "resources"; //$NON-NLS-1$ private static final String GOAL = "goal"; //$NON-NLS-1$ private static final String EXECUTION = "execution"; //$NON-NLS-1$ private static final String PLUGIN = "plugin"; //$NON-NLS-1$ private static final String PLUGINS = "plugins"; //$NON-NLS-1$ private static final String SNAPSHOT_REPOSITORY = "snapshotRepository"; //$NON-NLS-1$ private static final String PLUGIN_REPOSITORY = "pluginRepository"; //$NON-NLS-1$ private static final String REPOSITORY = "repository"; //$NON-NLS-1$ private static final String SITE = "site"; //$NON-NLS-1$ private static final String CONTRIBUTOR = "contributor"; //$NON-NLS-1$ private static final String DEVELOPER = "developer"; //$NON-NLS-1$ private static final String PROFILE = "profile"; //$NON-NLS-1$ private static final String PROFILES = "profiles"; //$NON-NLS-1$ private static final String MODULE = "module"; //$NON-NLS-1$ private static final String EXTENSION = "extension"; //$NON-NLS-1$ private static final String EXCLUSION = "exclusion"; //$NON-NLS-1$ private static final String MODULES = "modules"; //$NON-NLS-1$ private static final String EXTENSIONS = "extensions"; //$NON-NLS-1$ private static final String EXCLUSIONS = "exclusions"; //$NON-NLS-1$ private static final String DEPENDENCIES = "dependencies"; //$NON-NLS-1$ private static final String PARENT = "parent"; //$NON-NLS-1$ private static final String SCOPE = "scope"; //$NON-NLS-1$ private static final String TYPE = "type"; //$NON-NLS-1$ private static final String CLASSIFIER = "classifier"; //$NON-NLS-1$ private static final String DEPENDENCY = "dependency"; //$NON-NLS-1$ private static final String ID = "id"; //$NON-NLS-1$ private static final String EMAIL = "email"; //$NON-NLS-1$ private static final String NAME = "name"; //$NON-NLS-1$ private static final String VERSION = "version"; //$NON-NLS-1$ private static final String GROUP_ID = "groupId"; //$NON-NLS-1$ private static final String ARTIFACT_ID = "artifactId"; //$NON-NLS-1$ private static final String NAMESPACE_POM = "http://maven.apache.org/POM/4.0.0"; //$NON-NLS-1$ private static final int MAX_LABEL_LENGTH = 120; private final ILabelProvider labelProvider; private PomLabelProvider(ILabelProvider labelProvider) { this.labelProvider = labelProvider; } public Image getImage(Object element) { Node node = (Node) element; String namespace = node.getNamespaceURI(); String nodeName = node.getNodeName(); if (node.getNodeType() == Node.COMMENT_NODE) { return labelProvider.getImage(element); } if (NAMESPACE_POM.equals(namespace)) { if (PARENT.equals(nodeName)) { return MvnImages.IMG_JAR; } else if (DEPENDENCIES.equals(nodeName) // || EXCLUSIONS.equals(nodeName) // || EXTENSIONS.equals(nodeName) // || MODULES.equals(nodeName)) { return MvnImages.IMG_JARS; } else if (DEPENDENCY.equals(nodeName) // || EXCLUSION.equals(nodeName) // || EXTENSION.equals(nodeName) // || MODULE.equals(nodeName)) { // TODO show folder if module is in the workspace return MvnImages.IMG_JAR; } else if (REPOSITORY.equals(nodeName) || PLUGIN_REPOSITORY.equals(nodeName) || SNAPSHOT_REPOSITORY.equals(nodeName) || SITE.equals(nodeName)) { return MvnImages.IMG_REPOSITORY; } else if (PROFILES.equals(nodeName)) { return MvnImages.IMG_PROFILES; } else if (PROFILE.equals(nodeName)) { return MvnImages.IMG_PROFILE; } else if (DEVELOPER.equals(nodeName) || CONTRIBUTOR.equals(nodeName)) { return MvnImages.IMG_PERSON; } else if (PLUGINS.equals(nodeName)) { return MvnImages.IMG_PLUGINS; } else if (PLUGIN.equals(nodeName)) { return MvnImages.IMG_PLUGIN; } else if (EXECUTION.equals(nodeName)) { return MvnImages.IMG_EXECUTION; } else if (GOAL.equals(nodeName)) { return MvnImages.IMG_GOAL; } else if (RESOURCES.equals(nodeName) // || TEST_RESOURCES.equals(nodeName)) { return MvnImages.IMG_RESOURCES; } else if (RESOURCE.equals(nodeName) // || TEST_RESOURCE.equals(nodeName)) { return MvnImages.IMG_RESOURCE; } else if (FILTER.equals(nodeName)) { return MvnImages.IMG_FILTER; } else if (INCLUDE.equals(nodeName)) { return MvnImages.IMG_INCLUDE; } else if (EXCLUDE.equals(nodeName)) { return MvnImages.IMG_EXCLUDE; } else if (BUILD.equals(nodeName)) { return MvnImages.IMG_BUILD; } else if (REPORTING.equals(nodeName)) { return MvnImages.IMG_REPORT; } else if (PROPERTIES.equals(nodeName)) { return MvnImages.IMG_PROPERTIES; } else if (PROPERTIES.equals(node.getParentNode().getNodeName())) { return MvnImages.IMG_PROPERTY; // } else if("mailingList".equals(nodeName)) { // return MvnImages.IMG_MAIL; } return MvnImages.IMG_ELEMENT; } return labelProvider.getImage(element); } public String getText(Object element) { String text = labelProvider.getText(element); Node node = (Node) element; String namespace = node.getNamespaceURI(); String nodeName = node.getNodeName(); if (node.getNodeType() == Node.COMMENT_NODE) { return cleanText(node); } if (NAMESPACE_POM.equals(namespace)) { if (PARENT.equals(nodeName)) { return getLabel(text, node, GROUP_ID, ARTIFACT_ID, VERSION); } else if (DEPENDENCY.equals(nodeName)) { return getLabel(text, node, GROUP_ID, ARTIFACT_ID, VERSION, CLASSIFIER, TYPE, SCOPE); } else if (EXCLUSION.equals(nodeName)) { return getLabel(text, node, GROUP_ID, ARTIFACT_ID); } else if (EXTENSION.equals(nodeName)) { return getLabel(text, node, GROUP_ID, ARTIFACT_ID, VERSION); } else if (REPOSITORY.equals(nodeName) || PLUGIN_REPOSITORY.equals(nodeName) || SNAPSHOT_REPOSITORY.equals(nodeName) || SITE.equals(nodeName) || PROFILE.equals(nodeName) || EXECUTION.equals(nodeName)) { return getLabel(text, node, ID); } else if ("mailingList".equals(nodeName)) { //$NON-NLS-1$ return getLabel(text, node, NAME); } else if (DEVELOPER.equals(nodeName)) { return getLabel(text, node, ID, NAME, EMAIL); } else if (CONTRIBUTOR.equals(nodeName)) { return getLabel(text, node, NAME, EMAIL); } else if (PLUGIN.equals(nodeName)) { return getLabel(text, node, GROUP_ID, ARTIFACT_ID, VERSION); } else if (RESOURCE.equals(nodeName) || TEST_RESOURCE.equals(nodeName)) { return getLabel(text, node, DIRECTORY, TARGET_PATH); } else if (REPORT_SET.equals(nodeName)) { return getLabel(text, node, ID); } else if (EXECUTION.equals(nodeName)) { return getLabel(text, node, ID); } NodeList childNodes = node.getChildNodes(); if (childNodes.getLength() == 1) { Node item = childNodes.item(0); short nodeType = item.getNodeType(); if (nodeType == Node.TEXT_NODE || nodeType == Node.COMMENT_NODE) { String nodeText = item.getNodeValue(); if (nodeText.length() > 0) { return text + " " + cleanText(item); //$NON-NLS-1$ } } } } return text; } public boolean isLabelProperty(Object element, String name) { return labelProvider.isLabelProperty(element, name); } public void addListener(ILabelProviderListener listener) { labelProvider.addListener(listener); } public void removeListener(ILabelProviderListener listener) { labelProvider.removeListener(listener); } public void dispose() { labelProvider.dispose(); } private String getLabel(String text, Node node, String... names) { StringBuilder sb = new StringBuilder(text).append(" "); //$NON-NLS-1$ String sep = ""; //$NON-NLS-1$ for (String name : names) { String value = getValue(node, name); if (value != null) { sb.append(sep).append(value); sep = " : "; //$NON-NLS-1$ } } return sb.toString(); } private String getValue(Node node, String name) { String val = XmlUtils.getTextValue(XmlUtils.findChild((Element) node, name)); if (val != null && val.trim().length() == 0) { //keep the previous contract of the getValue method. val = null; } return val; } private String cleanText(Node node) { String value = node.getNodeValue(); if (value == null) { return ""; //$NON-NLS-1$ } value = value.replaceAll("\\s", " ").replaceAll("(\\s){2,}", " ").trim(); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ if (value.length() > MAX_LABEL_LENGTH) { value = value.substring(0, 120) + Dialog.ELLIPSIS; } return value; } } @Override protected IContributionItem[] createMenuContributions(TreeViewer viewer) { if (viewer == null || viewer.getTree().isDisposed()) { return new IContributionItem[0]; } return super.createMenuContributions(viewer); } }