Java tutorial
/* =============================================================================== * * Part of the InfoglueIDE Project * * =============================================================================== * * Copyright (C) Stefan Sik 2007 * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License version 2, as published by the * Free Software Foundation. See the file LICENSE.html for more information. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY, including the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc. / 59 Temple * Place, Suite 330 / Boston, MA 02111-1307 / USA. * * =============================================================================== */ package org.infoglue.igide.helper; import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.io.InputStream; import org.apache.commons.io.IOUtils; import org.dom4j.Document; import org.dom4j.DocumentException; import org.dom4j.DocumentHelper; import org.dom4j.Element; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.FileLocator; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.preference.PreferenceDialog; import org.eclipse.jface.preference.PreferenceManager; import org.eclipse.jface.preference.PreferenceNode; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.jst.j2ee.jsp.JSPConfig; import org.eclipse.jst.j2ee.jsp.JspFactory; import org.eclipse.jst.j2ee.jsp.TagLibRefType; import org.eclipse.jst.j2ee.web.componentcore.util.WebArtifactEdit; import org.eclipse.jst.j2ee.webapplication.WebApp; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.console.ConsolePlugin; import org.eclipse.ui.console.IConsole; import org.eclipse.ui.console.IConsoleManager; import org.eclipse.ui.console.MessageConsole; import org.eclipse.wst.common.componentcore.ComponentCore; import org.eclipse.wst.common.componentcore.resources.IVirtualComponent; import org.eclipse.wst.common.componentcore.resources.IVirtualFolder; import org.infoglue.igide.InfoglueConnectorPlugin; import org.infoglue.igide.model.content.ContentNode; import org.infoglue.igide.preferences.InfogluePreferencePage; import org.osgi.framework.Bundle; /** * * @author <a href="mailto:stefan.sik@omxgroup.com">Stefan Sik</a> * */ public final class Utils { public static int showPrefs(String desc) { desc = "There was an error connecting to CMS\n\n" + desc + "\n\n"; PreferenceManager p = new PreferenceManager(); PreferenceNode node = new PreferenceNode("org.infoglue.igide.preferences.InfogluePreferencePage", new InfogluePreferencePage()); node.getPage().setTitle("Infoglue Connection"); node.getPage().setDescription(desc); p.addToRoot(node); PreferenceDialog dia = new PreferenceDialog(PlatformUI.getWorkbench().getDisplay().getActiveShell(), p); dia.setBlockOnOpen(true); dia.open(); return dia.getReturnCode(); } public static String getPref(String key) { IPreferenceStore pStore = InfoglueConnectorPlugin.getDefault().getPreferenceStore(); String v = pStore.getString(key); return v; } public static ImageDescriptor getImage(String img) { return InfoglueConnectorPlugin.imageDescriptorFromPlugin(InfoglueConnectorPlugin.id, "icons/" + img); } /** * Returns the location of the web project's WEB-INF/lib directory. * * @param pj the web project * @return the location of the WEB-INF/lib directory */ public static IFolder getWebInfLibDir(final IProject pj) { final IVirtualComponent vc = ComponentCore.createComponent(pj); final IVirtualFolder vf = vc.getRootFolder().getFolder("WEB-INF/lib"); return (IFolder) vf.getUnderlyingFolder(); } public static IFolder getWebInfTldDir(final IProject pj) { final IVirtualComponent vc = ComponentCore.createComponent(pj); final IVirtualFolder vf = vc.getRootFolder().getFolder("WEB-INF/tld"); return (IFolder) vf.getUnderlyingFolder(); } /** * Copies a resource from within the FormGen plugin to a destination in * the workspace. * * @param src the path of the resource within the plugin * @param dest the destination path within the workspace */ public static void copyFromPlugin(final IPath src, final IFile dest) throws CoreException { try { final Bundle bundle = InfoglueConnectorPlugin.getDefault().getBundle(); final InputStream in = FileLocator.openStream(bundle, src, false); dest.create(in, true, null); } catch (IOException e) { // throw new CoreException( FormGenPlugin.createErrorStatus( e.getMessage(), e ) ); } } /** */ public static void registerInfoglueTaglibs(final IProject pj) { final WebArtifactEdit artifact = WebArtifactEdit .getWebArtifactEditForWrite(ComponentCore.createComponent(pj)); try { final WebApp root = artifact.getWebApp(); root.setDescription("Infoglue Project"); JSPConfig jsp = JspFactory.eINSTANCE.createJSPConfig(); IFolder tldfolder = getWebInfTldDir(pj); for (IResource r : tldfolder.members()) { System.out.println(r.getName()); TagLibRefType taglib = JspFactory.eINSTANCE.createTagLibRefType(); taglib.setTaglibURI(r.getName().split("\\.")[0]); taglib.setTaglibLocation("/WEB-INF/tld/" + r.getName()); jsp.getTagLibs().add(taglib); } root.setJspConfig(jsp); artifact.save(null); // artifact.saveIfNecessary( null ); } catch (Exception e) { e.printStackTrace(); } finally { artifact.dispose(); } } public static IProgressMonitor getMonitor(IProgressMonitor m) { return m != null ? m : new NullProgressMonitor(); } public static MessageConsole findConsole(String name) { ConsolePlugin plugin = ConsolePlugin.getDefault(); IConsoleManager conMan = plugin.getConsoleManager(); IConsole[] existing = conMan.getConsoles(); for (int i = 0; i < existing.length; i++) if (name.equals(existing[i].getName())) return (MessageConsole) existing[i]; //no console found, so create a new one MessageConsole myConsole = new MessageConsole(name, null); conMan.addConsoles(new IConsole[] { myConsole }); return myConsole; } public static ContentNode getSelectedContentNode(final TreeViewer viewer) { ContentNode node = null; try { ISelection selection = viewer.getSelection(); node = (ContentNode) ((IStructuredSelection) selection).getFirstElement(); } finally { } return node; } public static void main(String... strings) throws IOException { FileReader r = new FileReader("c:\\test.txt"); BufferedReader rr = new BufferedReader(r); StringBuilder b = new StringBuilder(); String l = null; while ((l = rr.readLine()) != null) { b.append(l); } Integer i = uglyParseContentId(b.toString()); System.out.println(i); } /** * @deprecated Method uglyParseRepositoryId is deprecated */ public static Integer uglyParseRepositoryId(String returnData) { Integer value = null; for (int tStart = returnData.indexOf("name=\"repositoryId\""); tStart > 0;) if (returnData.charAt(tStart--) == '<') { returnData = returnData.substring(tStart + 1, returnData.indexOf(">", tStart + 1) + 1); Document doc = null; try { doc = DocumentHelper.parseText(returnData); } catch (DocumentException documentexception) { } if (doc == null) try { doc = DocumentHelper.parseText( (new StringBuilder(String.valueOf(returnData))).append("</input>").toString()); } catch (DocumentException documentexception1) { } if (doc != null) { Element r = doc.getRootElement(); if (r.getName().equals("input") && r.valueOf("@name").equals("repositoryId")) try { value = new Integer(doc.getRootElement().valueOf("@value")); } catch (Exception exception) { } } break; } return value; } /** * Make this method go away as soon as possible (I have tried to make it * as safe as possible, but its far from great.) * @deprecated */ public static Integer uglyParseContentId(String returnData) { Integer value = null; int tStart = returnData.indexOf("name=\"contentId\""); while (tStart > 0) { if (returnData.charAt(tStart--) == '<') { returnData = returnData.substring(tStart + 1, returnData.indexOf(">", tStart + 1) + 1); Document doc = null; try { doc = DocumentHelper.parseText(returnData); } catch (DocumentException e) { } if (doc == null) { try { doc = DocumentHelper.parseText(returnData + "</input>"); } catch (DocumentException e) { } } if (doc != null) { Element r = doc.getRootElement(); if (r.getName().equals("input") && r.valueOf("@name").equals("contentId")) { try { value = new Integer(doc.getRootElement().valueOf("@value")); } catch (Exception e) { } } } break; } } return value; } public static String getIFileContentAsString(IResource resource) { // StringBuffer sb = new StringBuffer();' String result = ""; Logger.logConsole("resource: " + resource.getClass().getName()); if (resource instanceof IFile) { IFile file = (IFile) resource; // InputStreamReader isr = null; try { Logger.logConsole("file: " + file.toString() + ", encoding: " + file.getCharset()); InputStream is = file.getContents(); result = IOUtils.toString(is, file.getCharset()); // isr = new InputStreamReader(is, file.getCharset()); // // int c; // while((c = isr.read()) != -1) // sb.append((char)c); // is.close(); } catch (Exception e) { Logger.logConsole("Error: " + e.getMessage() + ", type: " + e.getClass()); } // finally // { // if (isr != null) // { // try // { // isr.close(); // } // catch (IOException e) // { // Logger.logConsole("Failed to close input stream. Message: " + e.getMessage()); // } // } // } } return result; } public static String cleanFileName(String fileName) { if (fileName == null) { return null; } return fileName.replaceAll("\\W+", ""); } }