| /******************************************************************************* |
| * Copyright (c) 2003, 2008 IBM Corporation and Others |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Masahide WASHIZAWA - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.actf.visualization.engines.voicebrowser; |
| |
| import java.util.ArrayList; |
| |
| import org.w3c.dom.Node; |
| |
| |
| public class PacketCollection extends ArrayList<Packet> { |
| |
| /** |
| * Method PacketCollection. |
| * @param text |
| */ |
| public PacketCollection(Packet text) { |
| super(); |
| add(text); |
| } |
| |
| /** |
| * @see java.lang.Object#Object() |
| */ |
| public PacketCollection() { |
| super(); |
| } |
| |
| /** |
| * Method getText. |
| * @return String |
| */ |
| public String getText() { |
| return ""; |
| } |
| |
| /** |
| * Method add. |
| * @param p |
| * @return boolean |
| */ |
| public boolean add(Packet p) { |
| return super.add(p); |
| } |
| |
| /** |
| * Method addAll. |
| * @param c |
| * @return boolean |
| */ |
| public boolean addAll(PacketCollection c) { |
| return super.addAll(c); |
| } |
| |
| /** |
| * Method isLineDelimiter. |
| * @param i |
| * @return boolean |
| */ |
| public boolean isLineDelimiter(int i) { |
| try { |
| if (i < this.size()) |
| return ((Packet) get(i)).getContext().isLineDelimiter(); |
| else |
| return false; |
| } catch (Exception e) { |
| e.printStackTrace(); |
| return false; |
| } |
| } |
| |
| /** |
| * Method isLinkTag. |
| * @param i |
| * @return boolean |
| */ |
| public boolean isLinkTag(int i) { |
| try { |
| if (i < this.size()) |
| return ((Packet) get(i)).getContext().isLinkTag(); |
| else |
| return false; |
| } catch (Exception e) { |
| e.printStackTrace(); |
| return false; |
| } |
| } |
| |
| /** |
| * Method isInsideForm. |
| * @param i |
| * @return boolean |
| */ |
| public boolean isInsideForm(int i) { |
| try { |
| if (i < this.size()) |
| return ((Packet) get(i)).getContext().isInsideForm(); |
| else |
| return false; |
| } catch (Exception e) { |
| e.printStackTrace(); |
| return false; |
| } |
| } |
| |
| /** |
| * Method isInsideAnchor. |
| * @param i |
| * @return boolean |
| */ |
| public boolean isInsideAnchor(int i) { |
| try { |
| if (i < this.size()) |
| return ((Packet) get(i)).getContext().isInsideAnchor(); |
| else |
| return false; |
| } catch (Exception e) { |
| e.printStackTrace(); |
| return false; |
| } |
| } |
| |
| /** |
| * Method isStartSelect. |
| * @param i |
| * @return boolean |
| */ |
| public boolean isStartSelect(int i) { |
| try { |
| if (i < this.size()) |
| return ((Packet) get(i)).getContext().isStartSelect(); |
| else |
| return false; |
| } catch (Exception e) { |
| e.printStackTrace(); |
| return false; |
| } |
| } |
| |
| /** |
| * Method isStringOutput. |
| * @param i |
| * @return boolean |
| */ |
| public boolean isStringOutput(int i) { |
| try { |
| if (i < this.size()) |
| return ((Packet) get(i)).getContext().isStringOutput(); |
| else |
| return false; |
| } catch (Exception e) { |
| e.printStackTrace(); |
| return false; |
| } |
| } |
| |
| /** |
| * Method getFirstNode. |
| * @return Node |
| */ |
| public Node getFirstNode() { |
| try { |
| int size = this.size(); |
| for (int i = 0; i < size; i++) { |
| if (((Packet) this.get(i)).isStartTag()) { |
| return ((Packet) this.get(i)).getNode(); |
| } |
| } |
| return null; |
| } catch (NullPointerException npe) { |
| npe.printStackTrace(); |
| return null; |
| } catch (ClassCastException cce) { |
| cce.printStackTrace(); |
| return null; |
| } |
| } |
| |
| /** |
| * Method getLastNode. |
| * @return Node |
| */ |
| public Node getLastNode() { |
| try { |
| int size = this.size(); |
| for (int i = size - 1; i >= 0; i--) { |
| if (((Packet) this.get(i)).isStartTag()) { |
| return ((Packet) this.get(i)).getNode(); |
| } |
| } |
| return null; |
| } catch (NullPointerException npe) { |
| npe.printStackTrace(); |
| return null; |
| } catch (ClassCastException cce) { |
| cce.printStackTrace(); |
| return null; |
| } |
| } |
| |
| /** |
| * Method getTopNodePosition. |
| * @return int |
| */ |
| public int getTopNodePosition() { |
| try { |
| int size = this.size(); |
| for (int i = 0; i < size; i++) { |
| String str = ((Packet) this.get(i)).getText(); |
| if (str != null && str.length() > 0) { |
| if (this.isInsideAnchor(i)) { |
| for (int j = i; j >= 0; j--) |
| if (this.isLinkTag(j)) |
| return j; |
| } |
| return i; |
| } |
| } |
| return -1; |
| } catch (NullPointerException npe) { |
| npe.printStackTrace(); |
| return -1; |
| } catch (ClassCastException cce) { |
| cce.printStackTrace(); |
| return -1; |
| } |
| } |
| |
| /** |
| * Method getBottomNodePosition. |
| * @return int |
| */ |
| public int getBottomNodePosition() { |
| try { |
| int size = this.size(); |
| boolean found = false; |
| for (int i = size - 1; i >= 0; i--) { |
| String str = ((Packet) this.get(i)).getText(); |
| if (((str != null) && (str.length() > 0))) |
| found = true; |
| if (found) { |
| if (this.isLineDelimiter(i)) { |
| if (i == size - 1) |
| return i; |
| else { |
| if (this.isLinkTag(i + 1) |
| && (i + 2 < size && this.isLinkTag(i + 2))) |
| return i + 2; |
| else |
| return i + 1; |
| } |
| } |
| } |
| } |
| return -1; |
| } catch (NullPointerException npe) { |
| npe.printStackTrace(); |
| return -1; |
| } catch (ClassCastException cce) { |
| cce.printStackTrace(); |
| return -1; |
| } |
| } |
| |
| /** |
| * @see java.lang.Object#toString() |
| */ |
| public String toString() { |
| StringBuffer sbuf = new StringBuffer(); |
| int size = this.size(); |
| for (int i = 0; i < size; i++) { |
| try { |
| sbuf.append(((Packet) this.get(i)).toString()); |
| sbuf.append("\n"); |
| } catch (ClassCastException cce) { |
| sbuf.append("error: " + i + "the object is not a packet.\n"); |
| } |
| } |
| return sbuf.toString(); |
| } |
| |
| /** |
| * Method getNodePosition. |
| * @param node |
| * @return int |
| */ |
| public int getNodePosition(Node node) { |
| try { |
| int size = this.size(); |
| for (int i = 0; i < size; i++) { |
| if (node == ((Packet) this.get(i)).getNode()) { |
| // System.out.println ("found: " + i + "/" + size); |
| return i; |
| } |
| } |
| return 0; |
| } catch (NullPointerException npe) { |
| npe.printStackTrace(); |
| return 0; |
| } catch (ClassCastException cce) { |
| cce.printStackTrace(); |
| return 0; |
| } |
| } |
| } |