xmlportlets.java

java 写的一个新闻发布系统

                if (Integer.parseInt(getParameterValue(portletgroupNode, "page_id")) == thePageID) {
                    Node portletNode = portletgroupNode.getFirstChild();
                    int Column = 0;
                    while (portletNode != null) {
                        // we are going through the portletgroup tags which represent list of portlets
                        if (portletNode.getNodeType() == Node.ELEMENT_NODE && portletNode.getNodeName().equalsIgnoreCase(PORTLET_TAG)) {
                            // we are now on a PORTLET tag
                            paramAttrNode = getAttributeValue(portletNode, PARAMETER_TAG_ID_ATTRIBUTE);
                            if (paramAttrNode.equals(new Integer(thePortletID).toString())) {
                                Column = Integer.parseInt(getParameterValue(portletNode, "column_position"));
                                break;
                            }
                        }
                        portletNode = portletNode.getNextSibling();
                    }

                    if (Column == 1) { return; }
                    int MaxRow = 0;
                    portletNode = portletgroupNode.getFirstChild();
                    while (portletNode != null) {
                        // we are going through the portletgroup tags which represent list of portlets
                        if (portletNode.getNodeType() == Node.ELEMENT_NODE && portletNode.getNodeName().equalsIgnoreCase(PORTLET_TAG)) {
                            // we are now on a PORTLET tag
                            if (Integer.parseInt(getParameterValue(portletNode, "column_position")) == Column - 1) {
                                if (Integer.parseInt(getParameterValue(portletNode, "row_position")) > MaxRow) { MaxRow = Integer.parseInt(getParameterValue(portletNode, "row_position")); }
                            }
                        }
                        portletNode = portletNode.getNextSibling();
                    }

                    portletNode = portletgroupNode.getFirstChild();
                    while (portletNode != null) {
                        // we are going through the portletgroup tags which represent list of portlets
                        if (portletNode.getNodeType() == Node.ELEMENT_NODE && portletNode.getNodeName().equalsIgnoreCase(PORTLET_TAG)) {
                            // we are now on a PORTLET tag
                            paramAttrNode = getAttributeValue(portletNode, PARAMETER_TAG_ID_ATTRIBUTE);
                            if (paramAttrNode.equals(new Integer(thePortletID).toString())) {

                                Node paramNode = portletNode.getFirstChild();
                                while (paramNode != null) {
                                    if (paramNode.getNodeType() == Node.ELEMENT_NODE && paramNode.getNodeName().equalsIgnoreCase(PARAMETER_TAG)) {
                                        paramAttrNode = getAttributeValue(paramNode, PARAMETER_TAG_NAME_ATTRIBUTE);
                                        if (paramAttrNode.equals("column_position")) {
                                            theNode = paramNode.getFirstChild();
                                            while (theNode != null) {
                                                if (theNode.getNodeType() == Node.TEXT_NODE) {
                                                    theTextNode = xmlDocument.createTextNode(new Integer(Column - 1).toString());
                                                    paramNode.replaceChild(theTextNode, theNode);
                                                    break;
                                                }
                                                theNode = theNode.getNextSibling();
                                            }
                                        }
                                        if (paramAttrNode.equals("row_position")) {
                                            theNode = paramNode.getFirstChild();
                                            while (theNode != null) {
                                                if (theNode.getNodeType() == Node.TEXT_NODE) {
                                                    theTextNode = xmlDocument.createTextNode(new Integer(MaxRow + 1).toString());
                                                    paramNode.replaceChild(theTextNode, theNode);
                                                    break;
                                                }
                                                theNode = theNode.getNextSibling();
                                            }
                                        }
                                    }
                                    paramNode = paramNode.getNextSibling();
                                }
                                break;
                            }
                        }
                        portletNode = portletNode.getNextSibling();
                    }

                    saveFile(xmlDocument,theFile.getAbsolutePath());

                    return;
                }
            }
            portletgroupNode = portletgroupNode.getNextSibling();
        }
    } catch (NumberFormatException n) {
        throw new JahiaException(ERROR_READING_PLML_FILE_MSG,
                                "Invalid Integer in moveLeftPortlet !!!  : " + n.toString(),
                                JahiaException.CRITICAL,
                                JahiaException.CONFIG_ERROR);
    }

    } // end moveLeftPortlet


    //--------------------------------------------------------------------------
    /**
     * Move the portlet to the bottom row in the Portlets XML file Descriptor
     *
     * @author Jerome Bedat
     *
     */
    public void moveBottomPortlet(int thePortletID) throws JahiaException {

    portletgroupNode = plmlNode.getFirstChild();
    Node theNode;

    try {
        while (portletgroupNode != null) {
            if (portletgroupNode.getNodeType() == Node.ELEMENT_NODE && portletgroupNode.getNodeName().equalsIgnoreCase(PORTLETLIST_TAG)) {
                if (Integer.parseInt(getParameterValue(portletgroupNode, "page_id")) == thePageID) {
                    Node portletNode = portletgroupNode.getFirstChild();
                    int Column = 0;
                    int Row = 0;
                    int MaxRow = 0;

                    while (portletNode != null) {
                        // we are going through the portletgroup tags which represent list of portlets
                        if (portletNode.getNodeType() == Node.ELEMENT_NODE && portletNode.getNodeName().equalsIgnoreCase(PORTLET_TAG)) {
                            // we are now on a PORTLET tag
                            paramAttrNode = getAttributeValue(portletNode, PARAMETER_TAG_ID_ATTRIBUTE);
                            if (paramAttrNode.equals(new Integer(thePortletID).toString())) {
                                Column = Integer.parseInt(getParameterValue(portletNode, "column_position"));
                                Row = Integer.parseInt(getParameterValue(portletNode, "row_position"));
                                break;
                            }
                        }
                        portletNode = portletNode.getNextSibling();
                    }


                    portletNode = portletgroupNode.getFirstChild();
                    while (portletNode != null) {
                        // we are going through the portletgroup tags which represent list of portlets
                        if (portletNode.getNodeType() == Node.ELEMENT_NODE && portletNode.getNodeName().equalsIgnoreCase(PORTLET_TAG)) {
                            // we are now on a PORTLET tag
                            if (Integer.parseInt(getParameterValue(portletNode, "column_position")) == Column) {
                                if (Integer.parseInt(getParameterValue(portletNode, "row_position")) > MaxRow) { MaxRow = Integer.parseInt(getParameterValue(portletNode, "row_position")); }
                            }
                        }
                        portletNode = portletNode.getNextSibling();
                    }
                    if (Row == MaxRow) { return; }


                    portletNode = portletgroupNode.getFirstChild();
                    while (portletNode != null) {
                        // we are going through the portletgroup tags which represent list of portlets
                        if (portletNode.getNodeType() == Node.ELEMENT_NODE && portletNode.getNodeName().equalsIgnoreCase(PORTLET_TAG)) {
                            // we are now on a PORTLET tag
                            paramAttrNode = getAttributeValue(portletNode, PARAMETER_TAG_ID_ATTRIBUTE);
                            if (paramAttrNode.equals(new Integer(thePortletID).toString())) {
                                Node paramNode = portletNode.getFirstChild();
                                while (paramNode != null) {
                                    if (paramNode.getNodeType() == Node.ELEMENT_NODE && paramNode.getNodeName().equalsIgnoreCase(PARAMETER_TAG)) {
                                        paramAttrNode = getAttributeValue(paramNode, PARAMETER_TAG_NAME_ATTRIBUTE);
                                        if (paramAttrNode.equals("row_position")) {
                                            theNode = paramNode.getFirstChild();
                                            while (theNode != null) {
                                                if (theNode.getNodeType() == Node.TEXT_NODE) {
                                                    theTextNode = xmlDocument.createTextNode(new Integer(Row + 1).toString());
                                                    paramNode.replaceChild(theTextNode, theNode);
                                                    break;
                                                }
                                                theNode = theNode.getNextSibling();
                                            }
                                        }
                                    }
                                    paramNode = paramNode.getNextSibling();
                                }
                                break;
                            }
                        }
                        portletNode = portletNode.getNextSibling();
                    }


                    portletNode = portletgroupNode.getFirstChild();
                    while (portletNode != null) {
                        // we are going through the portletgroup tags which represent list of portlets
                        if (portletNode.getNodeType() == Node.ELEMENT_NODE && portletNode.getNodeName().equalsIgnoreCase(PORTLET_TAG)) {
                            // we are now on a PORTLET tag
                            if (Integer.parseInt(getParameterValue(portletNode, "column_position")) == Column) {
                                if (Integer.parseInt(getParameterValue(portletNode, "row_position")) == (Row + 1)) {
                                    paramAttrNode = getAttributeValue(portletNode, PARAMETER_TAG_ID_ATTRIBUTE);
                                    if (!paramAttrNode.equals(new Integer(thePortletID).toString())) {
                                        Node paramNode = portletNode.getFirstChild();
                                        while (paramNode != null) {
                                            if (paramNode.getNodeType() == Node.ELEMENT_NODE && paramNode.getNodeName().equalsIgnoreCase(PARAMETER_TAG)) {
                                                paramAttrNode = getAttributeValue(paramNode, PARAMETER_TAG_NAME_ATTRIBUTE);
                                                if (paramAttrNode.equals("row_position")) {
                                                    theNode = paramNode.getFirstChild();
                                                    while (theNode != null) {
                                                        if (theNode.getNodeType() == Node.TEXT_NODE) {
                                                            theTextNode = xmlDocument.createTextNode(new Integer(Row).toString());
                                                            paramNode.replaceChild(theTextNode, theNode);
                                                            break;
                                                        }
                                                        theNode = theNode.getNextSibling();
                                                    }
                                                }
                                            }
                                            paramNode = paramNode.getNextSibling();
                                        }
                                    }
                                }
                            }
                        }
                        portletNode = portletNode.getNextSibling();
                    }

                    saveFile(xmlDocument,theFile.getAbsolutePath());

                    return;

                }
            }
            portletgroupNode = portletgroupNode.getNextSibling();
        }
    } catch (NumberFormatException n) {
        throw new JahiaException(ERROR_READING_PLML_FILE_MSG,
                                "Invalid Integer in moveBottomPortlet !!!  : " + n.toString(),
                                JahiaException.CRITICAL,
                                JahiaException.CONFIG_ERROR);
    }

} // end moveBottomPortlet


    //--------------------------------------------------------------------------
    /**
     * Move the portlet to the top row in the Portlets XML file Descriptor
     *
     * @author Jerome Bedat
     *
     */
    public void moveTopPortlet(int thePortletID) throws JahiaException {

    portletgroupNode = plmlNode.getFirstChild();
    Node theNode;