gerv%gerv.net 8b69962ee3 Bug 236613: change to MPL/LGPL/GPL tri-license.
git-svn-id: svn://10.0.0.236/trunk@155500 18797224-902f-48f8-a5cc-f745e15eee43
2004-04-25 21:07:34 +00:00

164 lines
7.0 KiB
Java

/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
package netscape.plugin.composer;
import java.io.*;
import java.util.*;
import java.net.URL;
import netscape.javascript.JSObject;
/** An abstract HTML document.
* Contains html text. Also contains
* a work directory. The work directory is where
* you place images (or other embedded files) that you
* are inserting into the document.
*
*/
public abstract class Document {
/** Get the base URL of the document. This is the url that the
* relative URLs are relative to.
* @return the base URL of the document.
*/
public abstract URL getBase();
/** Get the work directory of the document. You need this
* to be able to add files to the document.
* @return the work directory for the document.
*/
public abstract File getWorkDirectory();
/** Get the work directory of the document as a URL. You need this
* to be able to add files to the document.
* @return the work directory for the document as a URL.
*/
public abstract URL getWorkDirectoryURL();
/** Get an input stream for a document. Use this to read
* information out of the document.
* @return an input stream for the document. The caller must call the close()
* method when finished with the stream. The caller must
* finish with the stream before creating another input stream
* for the same document.
* @throw IOException if there is an existing unclosed input stream for this document.
*/
public abstract Reader getInput() throws IOException;
/** Get an output stream for a document. Use this to write
* information into a document.
* @return an output stream for the document.The caller must call the close()
* method when finished with the stream. The caller must
* finish with the stream before creating another output stream
* for the same part.
* @throw IOException if there is an existing unclosed output stream for this document.
*/
public abstract Writer getOutput() throws IOException;
/** Get the entire text of the document as a String. Use this to read information
* out of the document. This is more convenient than getInput if your intent is
* to perform string-based operations on the document's raw HTML code.
* getInput is more convenient if you intend to tokenize the HTML.
* @return the entire raw html text of the document, as a String.
* @throw IOException if there is a problem reading the document.
*/
public abstract String getText() throws IOException;
/** Set the entire text of the document. Use this to write information
* into the document. This is more convenient than getOutput if you have
* performed string-based operations on the document's raw HTML text.
* getOutput is more convenient if you process tokenized HTML.
* @param text the new entire raw HTML text of the document.
* @throw IOException if there is a problem writing the document, or if
* there is an existing getOutput stream that has not been closed.
*/
public abstract void setText(String text) throws IOException;
/** Get the event that triggered this plug-in invocation.
* This method returns null if this is a normal invocation.
* <pre>
* The standard events are:
* edit - called when an existing document is about to be edited.
* open - called when a document (new or old) is opened for editing.
* close - called when a document is about to be closed.
* publish - called before a document is published.
* publishComplete - called after a document is published.
* save - called before a document is saved.
* send - called before a document is sent (mailed).
* </pre>
* @return the event that triggered the plug-in invocation,
* or null if this is a normal invocation.
*/
public String getEventName(){
return null;
}
/** Get the document URL (if it is known) for this document.
* This method returns null if there is no document URL available.
* During a publish or a save event, the URL will be the URL of
* the destination to which the document is being published or saved.
* @return the URL of the document, or null if
* the document URL is unknown.
*/
public URL getDocumentURL(){
return null;
}
/** Redirect the open to a new document URL. This method only has an
* effect when the event is "edit". Useful for situations where the
* publishing URL is different from the editing URL. This could happen
* when you use an FTP server to access the backing store of an HTTP server.
* @param newURL The URL, expressed as a string, that should be used to
* edit the document.
*/
public void redirectDocumentOpen(String newURL){
}
/** Open a URL for editing. This call is asynchronous. No errors are returned.
* @param URL The URL, expressed as a string, that is to be edited.
*/
static public void editDocument(String url){
try {
Composer.editDocument(url);
} catch (Throwable t){
t.printStackTrace();
}
}
/** get the jsobject from the document. If no javascript in the
* runtime, this will return null
*/
public JSObject getJSObject(){return null;}
}