Source

news.xhtml

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core"
    xmlns:p="http://primefaces.org/ui"
    xmlns:pm="http://primefaces.org/mobile">
     
    <f:view renderKitId="PRIMEFACES_MOBILE" />
     
    <h:head>
        <link type="text/css" rel="stylesheet" href="#{request.contextPath}/css/syntaxhighlighter/syntaxhighlighter.css" />
    </h:head>
     
    <h:body>
         
        <pm:page id="main">
            <pm:header title="News" swatch="b"></pm:header>
             
            <pm:content>
                <h:form id="mainForm">
                    <p:growl id="messages" showDetail="true" />
                     
                    <p:dataList var="group" value="#{newsView.groups}">
                        <p:commandLink value="#{group.title}" action="pm:group?transition=slide" update=":group:groupTitle :group:groupForm:entries">
                            <f:setPropertyActionListener value="#{group}" target="#{newsView.selectedGroup}" />
                        </p:commandLink>
                    </p:dataList>
                </h:form>
            </pm:content>
 
            <pm:footer title="Feeds from Reuters" />
        </pm:page>
         
        <pm:page id="group">
            <pm:header swatch="b">
                <p:button styleClass="ui-toolbar-header-button-left ui-button-inline" value="Back" icon="ui-icon-arrow-l" outcome="pm:main?transition=slide&reverse=true" />
                <h1><h:outputText id="groupTitle" value="#{newsView.selectedGroup.title}" /></h1>
            </pm:header>
             
            <pm:content>
                <h:form id="groupForm">
                    <p:dataList id="entries" var="newsEntry" value="#{newsView.selectedGroup.entries}">
                        <p:commandLink value="#{newsEntry.title}" action="pm:entry?transition=slide" update=":entry:entryDetail">
                            <f:setPropertyActionListener value="#{newsEntry}" target="#{newsView.selectedEntry}" />
                        </p:commandLink>
                    </p:dataList>
                </h:form>
            </pm:content>
        </pm:page>
         
        <pm:page id="entry">
            <pm:header title="Detail" swatch="b">
                <p:button styleClass="ui-toolbar-header-button-left ui-button-inline" value="Back" icon="ui-icon-arrow-l" outcome="pm:group?transition=slide&reverse=true" />
            </pm:header>
             
            <pm:content>
                <h:outputText id="entryDetail" value="#{newsView.selectedEntry.content}" escape="false"/>
            </pm:content>
        </pm:page>
         
        <script language="javascript" src="#{request.contextPath}/syntaxhighlighter/scripts/sh.js"></script>
        <script language="javascript">
            SyntaxHighlighter.all();
        </script>
    </h:body>
     
</html>

NewsView.java

package org.primefaces.showcase.mobile;
 
import com.sun.syndication.feed.synd.SyndEntry;
import com.sun.syndication.feed.synd.SyndFeed;
import com.sun.syndication.io.SyndFeedInput;
import com.sun.syndication.io.XmlReader;
import java.io.Serializable;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.PostConstruct;
import javax.faces.application.FacesMessage;
import javax.faces.bean.ApplicationScoped;
import javax.faces.bean.ManagedBean;
import javax.faces.context.FacesContext;
 
import org.primefaces.showcase.domain.NewsEntry;
import org.primefaces.showcase.domain.NewsGroup;
 
@ManagedBean
@ApplicationScoped
public class NewsView implements Serializable {
 
    private List<NewsGroup> groups;
    private NewsEntry selectedEntry;
    private NewsGroup selectedGroup;
    private Map<String,String> feeds;
 
    @PostConstruct
    public void init() {
        feeds = new HashMap<String, String>();
        feeds.put("Top Stories", "http://feeds.reuters.com/reuters/topNews");
        feeds.put("World", "http://feeds.reuters.com/Reuters/worldNews");
        feeds.put("Technology", "http://feeds.reuters.com/reuters/technologyNews");
        feeds.put("Sports", "http://feeds.reuters.com/reuters/sportsNews");
        feeds.put("Entertainment", "    http://feeds.reuters.com/reuters/entertainment");
        feeds.put("Business", "http://feeds.reuters.com/reuters/businessNews");
        feeds.put("Politics", "http://feeds.reuters.com/Reuters/PoliticsNews");
         
        groups = fetchNews();
    }
 
    public List<NewsGroup> getGroups() {
        return groups;
    }
 
    public NewsEntry getSelectedEntry() {
        return selectedEntry;
    }
    public void setSelectedEntry(NewsEntry selectedEntry) {
        this.selectedEntry = selectedEntry;
    }
 
    public NewsGroup getSelectedGroup() {
        return selectedGroup;
    }
    public void setSelectedGroup(NewsGroup selectedGroup) {
        this.selectedGroup = selectedGroup;
    }
     
    public List<NewsGroup> fetchNews() {
        List<NewsGroup> news = new ArrayList<NewsGroup>();
        try {
            for(String key : feeds.keySet()) {
                URL feedSource = new URL(feeds.get(key));
                SyndFeedInput input = new SyndFeedInput();
                SyndFeed feed = input.build(new XmlReader(feedSource));
                List<NewsEntry> entries = new ArrayList<NewsEntry>();
                 
                int i = 0;
                for(Object f : feed.getEntries()) {
                    SyndEntry entry = (SyndEntry) f;
                    String title = entry.getTitle();
                    title = title.length() <= 25 ? title : title.substring(0, 25);
                    entries.add(new NewsEntry(i, title + "...", entry.getDescription().getValue()));
                    i++;
                }
                 
                news.add(new NewsGroup(key, entries)); 
            }
         
        } catch(Exception exception) {
            FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_ERROR, "Error", "Please try again");
            FacesContext.getCurrentInstance().addMessage(null, msg);
        }
         
        return news;
    }
}

NewsGroup.java

package org.primefaces.examples.domain;
 
import java.io.Serializable;
import java.util.List;
 
public class NewsGroup implements Serializable {
 
    private String title;
     
    private List<NewsEntry> entries;
     
    public NewsGroup() {
         
    }
 
    public NewsGroup(String title, List<NewsEntry> entries) {
        this.title = title;
        this.entries = entries;
    }
 
    public String getTitle() {
        return title;
    }
 
    public void setTitle(String title) {
        this.title = title;
    }
 
    public List<NewsEntry> getEntries() {
        return entries;
    }
 
    public void setEntries(List<NewsEntry> entries) {
        this.entries = entries;
    }
}

NewsEntry.java

package org.primefaces.examples.domain;
 
import java.io.Serializable;
 
public class NewsEntry implements Serializable {
     
    private String title;
    private String content;
    private int index;
 
    public NewsEntry() {
         
    }
     
    public NewsEntry(int index, String title, String content) {
        this.index = index;
        this.content = content;
        this.title = title;
    }
 
    public String getTitle() {
        return title;
    }
 
    public void setTitle(String title) {
        this.title = title;
    }
 
    public String getContent() {
        return content;
    }
 
    public void setContent(String content) {
        this.content = content;
    }
     
    public int getIndex() {
        return index;
    }
 
    public void setIndex(int index) {
        this.index = index;
    }
}

News

Source

Feeds from Reuters

Detail

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