| author | dadubrow |
| Mon, 16 Aug 2010 09:03:23 -0500 | |
| changeset 1831 | 3319dd953212 |
| parent 1824 | 7e34f628583a |
| child 1832 | aaf2f7bc0609 |
| permissions | -rw-r--r-- |
| 1734 | 1 |
/* |
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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package com.nokia.carbide.internal.discovery.ui.extension; |
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import java.net.URL; |
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import java.text.DateFormat; |
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import java.text.MessageFormat; |
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import java.util.ArrayList; |
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import java.util.Date; |
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import java.util.LinkedHashSet; |
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import java.util.List; |
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import java.util.Set; |
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import java.util.regex.Pattern; |
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import org.eclipse.core.runtime.IProgressMonitor; |
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import org.eclipse.core.runtime.IStatus; |
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import org.eclipse.core.runtime.Status; |
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import org.eclipse.core.runtime.jobs.Job; |
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import org.eclipse.jface.action.Action; |
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import org.eclipse.jface.action.IAction; |
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import org.eclipse.swt.widgets.Display; |
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import com.nokia.carbide.discovery.ui.Activator; |
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import com.nokia.carbide.discovery.ui.Messages; |
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import com.nokia.carbide.internal.discovery.ui.editor.SimpleRSSReader; |
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import com.nokia.carbide.internal.discovery.ui.editor.SimpleRSSReader.Channel; |
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import com.nokia.carbide.internal.discovery.ui.editor.SimpleRSSReader.Item; |
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import com.nokia.carbide.internal.discovery.ui.editor.SimpleRSSReader.Rss; |
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public abstract class AbstractRSSPortalPageLayer extends AbstractBrowserPortalPageLayer {
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private static final List<Pattern> EXCLUDE_TAG_PATTERNS = new ArrayList<Pattern>(); |
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private static final String[] EXCLUDE_TAGS = {
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"object", //$NON-NLS-1$ |
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"param", //$NON-NLS-1$ |
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"embed", //$NON-NLS-1$ |
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"script", //$NON-NLS-1$ |
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"img" //$NON-NLS-1$ |
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}; |
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private static final String[] EXCLUDE_FORMAT_TAGS = {
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"b", //$NON-NLS-1$ |
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"i", //$NON-NLS-1$ |
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"em", //$NON-NLS-1$ |
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"strong", //$NON-NLS-1$ |
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"tt", //$NON-NLS-1$ |
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"s", //$NON-NLS-1$ |
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"strike", //$NON-NLS-1$ |
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"p" //$NON-NLS-1$ |
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}; |
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static {
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for (String tagString : EXCLUDE_TAGS) {
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StringBuilder sb = new StringBuilder(); |
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sb.append('<');
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sb.append(tagString); |
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sb.append(" .*</"); //$NON-NLS-1$
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sb.append(tagString); |
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sb.append('>');
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EXCLUDE_TAG_PATTERNS.add(Pattern.compile(sb.toString(), |
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Pattern.CASE_INSENSITIVE | Pattern.MULTILINE)); |
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} |
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for (String tagString : EXCLUDE_TAGS) {
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StringBuilder sb = new StringBuilder(); |
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sb.append('<');
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sb.append(tagString); |
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sb.append(" .*/>"); //$NON-NLS-1$
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EXCLUDE_TAG_PATTERNS.add(Pattern.compile(sb.toString(), |
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Pattern.CASE_INSENSITIVE | Pattern.MULTILINE)); |
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} |
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for (String formatTag : EXCLUDE_FORMAT_TAGS) {
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StringBuilder sb = new StringBuilder(); |
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sb.append("</?"); //$NON-NLS-1$
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sb.append(formatTag); |
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sb.append('>');
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EXCLUDE_TAG_PATTERNS.add(Pattern.compile(sb.toString(), |
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Pattern.CASE_INSENSITIVE | Pattern.MULTILINE)); |
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} |
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} |
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private static final String HTML_BODY_HEADER = "<html><head><title></title><style type=\"text/css\">div.item {font-family : sans-serif; font-size : 12px; margin-bottom : 16px;} div.itemBody {padding-top : 3px; padding-bottom : 3px;} div.itemInfo {background-color : #EEEEEE; color : #333333;} div.feedflare {display: none;} a.itemTitle {font-size : 12px; font-weight : bold;} a.markItemRead {font-size : 10px; color : #333333;}</style></head><body>"; //$NON-NLS-1$
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private static final String HTML_BODY_FOOTER = "</body></html>"; //$NON-NLS-1$ |
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private static final int MAX_ELEM_LEN = 256; |
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private Rss rss; |
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@Override |
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public void init() {
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Activator.runInUIThreadWhenProxyDataSet(browser, new Runnable() {
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@Override |
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public void run() {
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actionBar.hookBrowser(); |
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readRSS(); |
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actionBar.update(); |
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browser.setFocus(); |
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} |
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}); |
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} |
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protected void readRSS() {
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final URL url = getURL(); |
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if (url != null) {
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Job j = new Job("Getting RSS feed") {
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@Override |
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protected IStatus run(IProgressMonitor monitor) {
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try {
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rss = SimpleRSSReader.readRSS(url); |
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displayRSS(); |
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} catch (Exception e) {
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Activator.logError(MessageFormat.format(Messages.AbstractRSSPortalPageLayer_RSSReadError, url), e); |
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} |
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return Status.OK_STATUS; |
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} |
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}; |
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j.setUser(true); |
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j.schedule(); |
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} |
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} |
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protected void displayRSS() {
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StringBuffer buf = new StringBuffer(); |
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buf.append(HTML_BODY_HEADER); |
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for (Channel channel : rss.getChannels()) {
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buf.append("<div class=\"channel\"><a class=\"channelName\" href=\""); //$NON-NLS-1$
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buf.append(channel.getLink().toString()); |
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buf.append("\">"); //$NON-NLS-1$
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buf.append(clean(channel.getTitle())); |
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buf.append("</a>"); //$NON-NLS-1$
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buf.append("<div class=\"channelBody\">"); //$NON-NLS-1$
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buf.append(clean(channel.getDescription())); |
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buf.append("</div><br>"); //$NON-NLS-1$
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1727
743cc54fdffe
more portal changes - add kits page + pref page links to customize
dadubrow
parents:
1721
diff
changeset
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buf.append("<ul>"); //$NON-NLS-1$
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for (Item item : channel.getItems()) {
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1727
743cc54fdffe
more portal changes - add kits page + pref page links to customize
dadubrow
parents:
1721
diff
changeset
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buf.append("<li><div class=\"item\"><a class=\"itemTitle\" href=\""); //$NON-NLS-1$
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buf.append(item.getLink().toString()); |
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buf.append("\">"); //$NON-NLS-1$
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buf.append(clean(item.getTitle())); |
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buf.append("</a>"); //$NON-NLS-1$
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buf.append("<div class=\"itemBody\">"); //$NON-NLS-1$
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Date date = item.getPubDate(); |
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if (date != null) {
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String dateString = DateFormat.getDateTimeInstance().format(date); |
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buf.append(dateString); |
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buf.append("<br>"); //$NON-NLS-1$
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} |
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buf.append(clean(item.getDescription())); |
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1727
743cc54fdffe
more portal changes - add kits page + pref page links to customize
dadubrow
parents:
1721
diff
changeset
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buf.append("</div></li>"); //$NON-NLS-1$
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} |
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1727
743cc54fdffe
more portal changes - add kits page + pref page links to customize
dadubrow
parents:
1721
diff
changeset
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buf.append("</ul>"); //$NON-NLS-1$
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} |
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buf.append(HTML_BODY_FOOTER); |
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final String s = buf.toString(); |
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Display.getDefault().syncExec(new Runnable() {
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@Override |
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public void run() {
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browser.setText(s); |
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} |
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}); |
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} |
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private String clean(String s) {
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String output = s; |
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for (Pattern pattern : EXCLUDE_TAG_PATTERNS) {
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output = pattern.matcher(output).replaceAll(""); //$NON-NLS-1$
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} |
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output = output.length() > MAX_ELEM_LEN ? output.substring(0, MAX_ELEM_LEN) : output; |
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return output; |
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} |
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@Override |
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public void dispose() {
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} |
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@Override |
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protected Set<IAction> makeActions() {
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Set<IAction> actions = new LinkedHashSet<IAction>(); |
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for (IAction action : super.makeActions()) {
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if (action.getText().equals(Messages.AbstractBrowserPortalPage_RefreshLabel)) {
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IAction a = new Action(Messages.AbstractBrowserPortalPage_RefreshLabel) {
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@Override |
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public void run() {
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if (browser != null) {
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if (browserHasURL()) |
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browser.refresh(); |
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else |
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readRSS(); |
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actionBar.update(); |
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} |
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} |
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@Override |
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public boolean isEnabled() {
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return browser != null ? !actionBar.isLoading() : false; |
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} |
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}; |
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actions.add(a); |
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} |
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else |
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actions.add(action); |
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} |
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actions.add(new Action(Messages.AbstractRSSPortalPageLayer_ReturnToFeedLabel) {
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@Override |
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public void run() {
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displayRSS(); |
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actionBar.update(); |
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} |
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@Override |
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public boolean isEnabled() {
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return browserHasURL(); |
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} |
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}); |
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return actions; |
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} |
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} |