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/*
* Copyright 2007, BigTribe Corporation. All rights reserved.
*
* This software is an unpublished work subject to a confidentiality agreement
* and protected by copyright and trade secret law. Unauthorized copying,
* redistribution or other use of this work is prohibited. All copies must
* retain this copyright notice. Any use or exploitation of this work without
* authorization could subject the perpetrator to criminal and civil liability.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* The information in this software is subject to change without notice
* and should not be construed as a commitment by BigTribe Corporation.
*
* The above copyright notice does not indicate actual or intended publication
* of this source code.
*
* $Id: bigtribetemplates.xml 5524 2006-04-06 09:40:52 -0700 (Thu, 06 Apr 2006) greening $
*/
package com.google.code.facebookapi;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.json.JSONException;
import org.json.JSONObject;
/**
* Utility class to assist in creating a templatized action for publishing to the minifeed/newsfeed, because the API call Facebook decided to add in order to do it is
* ridiculously complex.
*/
public class TemplatizedAction {
protected static Log log = LogFactory.getLog( TemplatizedAction.class );
private String titleTemplate;
private String bodyTemplate;
private String bodyGeneral;
private String targetIds;
private JSONObject titleParams;
private JSONObject bodyParams;
private List> pictures;
private Long pageActorId;
public static final String UID_TOKEN = "http://UID/";
/**
* Constructor
*
* @param titleTemplate
* the title-template to set.
*/
public TemplatizedAction( String titleTemplate ) {
this.setTitleTemplate( titleTemplate );
this.titleParams = new JSONObject();
this.bodyParams = new JSONObject();
this.bodyTemplate = null;
this.bodyGeneral = null;
this.targetIds = null;
this.pictures = new ArrayList>();
this.pageActorId = null;
}
/**
* Constructor
*
* @param titleTemplate
* the title template to use
* @param bodyTemplate
* the body template to use
*/
public TemplatizedAction( String titleTemplate, String bodyTemplate ) {
this( titleTemplate );
this.setBodyTemplate( bodyTemplate );
this.bodyGeneral = null;
this.targetIds = null;
}
/**
* Constructor
*
* @param titleTemplate
* the title template to use
* @param bodyTemplate
* the body template to use
* @param bodyGeneral
* the non-templatized body content to use
*/
public TemplatizedAction( String titleTemplate, String bodyTemplate, String bodyGeneral ) {
this( titleTemplate, bodyTemplate );
this.setBodyGeneral( bodyGeneral );
this.targetIds = null;
}
/**
* Remove a picture from the list, this can be used to revise the list/free up space for alternate pictures.
*
* @param index
* the index to remove from.
*/
public void removePicture( int index ) {
if ( ( this.pictures == null ) || ( index > this.pictures.size() ) ) {
return;
}
this.pictures.remove( index );
}
/**
* Add a picture to be associated with this feed entry, along with a link to be associated with the picture (clicking on the picture in the feed will go to the
* specified link).
*
* Note that only 4 pictures may be present at any given time. Any pictures beyond this are ignored. Use removePicture if you need to change something after 4
* pictures have been added.
*
* @param imageUid
* the id of the image to display. This can be a picture id or a Facebook user-id.
* @param linkHref
* the URL of the link to go to when the image is clicked.
*/
public void addPicture( Long imageUid, String linkHref ) {
addPicture( Long.toString( imageUid ), linkHref );
}
/**
* Add a picture to be associated with this feed entry, along with a link to be associated with the picture (clicking on the picture in the feed will go to the
* specified link).
*
* Note that only 4 pictures may be present at any given time. Any pictures beyond this are ignored. Use removePicture if you need to change something after 4
* pictures have been added.
*
* @param imageHref
* the URL of the image to display in the feed.
* @param linkHref
* the URL of the link to go to when the image is clicked.
*/
public void addPicture( String imageHref, String linkHref ) {
if ( linkHref == null ) {
this.addPicture( imageHref );
}
try {
if ( !imageHref.startsWith( "http" ) ) {
imageHref = UID_TOKEN + imageHref;
}
addPicture( new URL( imageHref ), new URL( linkHref ) );
}
catch ( Exception ex ) {
log.warn( "Could not add entry for picture!", ex );
}
}
/**
* Add a picture to be associated with this feed entry, the picture will not have an associated link.
*
* Note that only 4 pictures may be present at any given time. Any pictures beyond this are ignored. Use removePicture if you need to change something after 4
* pictures have been added.
*
* @param imageHref
* the URL of the image to display in the feed.
*/
public void addPicture( String imageHref ) {
try {
if ( !imageHref.startsWith( "http" ) ) {
imageHref = UID_TOKEN + imageHref;
}
addPicture( new URL( imageHref ), null );
}
catch ( Exception ex ) {
log.warn( "Could not add entry for picture!", ex );
}
}
private void addPicture( URL imageUrl, URL linkUrl ) {
if ( this.pictures == null ) {
this.pictures = new ArrayList>();
}
if ( this.pictures.size() < 4 ) {
this.pictures.add( new Pair( imageUrl, linkUrl ) );
}
}
/**
* Set the pictures to display all at once, if you feel like building the Collection> on your own. Otherwise use the more convenient addPic() method
* instead.
*
* @param pics
* the pictures to set.
*/
public void setPictures( List> pics ) {
if ( ( pics == null ) || ( pics.isEmpty() ) ) {
this.pictures = null;
return;
}
if ( pics.size() <= 4 ) {
this.pictures = pics;
}
if ( pics.size() > 4 ) {
int count = 0;
for ( IPair pic : pics ) {
this.pictures.add( pic );
count++ ;
if ( count == 4 ) {
break;
}
}
}
}
/**
* Get the list of pictures.
*
* @return the list of pictures.
*/
public Collection> getPictures() {
if ( ( this.pictures == null ) || ( this.pictures.isEmpty() ) ) {
return null;
}
return this.pictures;
}
/**
* Add a parameter value for the title template. It will be used to replace the corresponding token when the feed entry is rendered.
*
* @param key
* the name of the parameter/token.
* @param value
* the value to set it to.
*/
public void addTitleParam( String key, String value ) {
addParam( titleParams, key, value );
}
/**
* Add a parameter value for the body template. It will be used to replace the corresponding token when the feed entry is rendered.
*
* @param key
* the name of the parameter/token.
* @param value
* the value to set it to.
*/
public void addBodyParam( String key, String value ) {
addParam( bodyParams, key, value );
}
private void addParam( JSONObject map, String key, String value ) {
if ( ( "actor".equals( key ) ) || ( "target".equals( key ) ) ) {
throw new RuntimeException( key + " is a reserved token name, you cannot set it yourself!" );
}
try {
map.put( key, value );
}
catch ( JSONException ex ) {
log.warn( "JSONException for key=" + key + ", value=" + value + "!", ex );
}
}
/**
* Get the title params as a JSON-formatted string.
*
* @return the parameters for the templatized title tokens.
*/
public String getTitleParams() {
return getJsonParams( titleParams );
}
/**
* Get the body params as a JSON-formatted string.
*
* @return the parameters for the templatized body tokens.
*/
public String getBodyParams() {
return getJsonParams( bodyParams );
}
private String getJsonParams( JSONObject params ) {
if ( params.length() == 0 ) {
return null;
}
return params.toString();
}
/**
* @return the bodyGeneral
*/
public String getBodyGeneral() {
return bodyGeneral;
}
/**
* Set the general body content for this feed entry. This is optional, non-templatized markup, and is distinct from and unrelated to bodyTemplate. A feed entry can
* have both at once, either or, or neither.
*
* @param bodyGeneral
* non-templatized markup that will be displayed in this feed entry. When multiple entries are aggregated, only the bodyGeneral from (an arbitrarily
* chosen) one of them will appear in the aggregate entry, meaning that any markup specified here must be generic enough that it can make sense in any
* context.
*/
public void setBodyGeneral( String bodyGeneral ) {
if ( "".equals( bodyGeneral ) ) {
bodyGeneral = null;
}
this.bodyGeneral = bodyGeneral;
}
/**
* @return the bodyTemplate
*/
public String getBodyTemplate() {
return bodyTemplate;
}
/**
* Set the body template for this feed entry. The body template is optinal.
*
* @param bodyTemplate
* templatized markup that will be used to compute the body section of this feed entry. Unlike titleTemplate, this markup *is not* required to utilize the
* "{actor}" token, although you may choose to use any desired tokens in this section if you wish.
*/
public void setBodyTemplate( String bodyTemplate ) {
if ( "".equals( bodyTemplate ) ) {
bodyTemplate = null;
}
this.bodyTemplate = bodyTemplate;
}
/**
* @return the targetIds
*/
public String getTargetIds() {
if ( "".equals( targetIds ) ) {
targetIds = null;
}
return targetIds;
}
/**
* Set the target ids of friends who are associated with this action. This must be specified if you have used the "{target}" token in any of your markup.
*
* This method will clear out any previously added target ids. To append additional target ids to a previous list, use addTargetIds instead.
*
* @param targetIds
* a comma-seperated list of Facebook UID's representing any friends of the current user who are associated with the action being published (so if the
* action is "Bob waves to Sally and Susie", Sally and Susie are the targets).
*/
public void setTargetIds( String targetIds ) {
if ( "".equals( targetIds ) ) {
targetIds = null;
}
this.targetIds = targetIds;
}
/**
* Append to the list of friends who are associated with this action.
*
* This method *will not* clear out any previously added target ids.
*
* @param newIds
* a comma-seperated list of Facebook UID's representing any friends of the current user who are associated with the action being published (so if the
* action is "Bob waves to Sally and Susie", Sally and Susie are the targets).
*/
public void addTargetIds( String newIds ) {
if ( this.targetIds == null ) {
this.targetIds = "";
}
if ( !"".equals( this.targetIds ) ) {
this.targetIds += ",";
}
this.targetIds += newIds;
}
/**
* Set the target ids of friends who are associated with this action. This must be specified if you have used the "{target}" token in any of your markup.
*
* This method will clear out any previously added target ids. To append additional target ids to a previous list, use addTargetIds instead.
*
* @param facebookIds
* a list of all the Facebook UID to specify as targets. The elements in the collection may only be of type Integer or type String.
*/
public void setTargetIds( Collection
