Example usage for org.apache.commons.jxpath JXPathContext removeAll

Introduction

In this page you can find the example usage for org.apache.commons.jxpath JXPathContext removeAll.

Prototype

public abstract void removeAll(String xpath);

Source Link

Document

Removes all elements of the object graph described by the xpath.

Usage

From source file:org.apache.cocoon.components.source.impl.XModuleSource.java

/**
 * Delete the source /* www  . ja va  2s . c  o m*/
 */
public void delete() throws SourceException {
    if (!(this.xPath.length() == 0 || this.xPath.equals("/"))) {
        Object value;
        try {
            value = getInputAttribute(this.attributeType, this.attributeName);
        } catch (SAXException e) {
            throw new SourceException("delete: ", e);
        }
        if (value == null)
            throw new SourceException(" The attribute: " + this.attributeName + " is empty");

        JXPathContext context = JXPathContext.newContext(value);
        context.removeAll(this.xPath);
    } else {
        try {
            setOutputAttribute(this.attributeType, this.attributeName, null);
        } catch (SAXException e) {
            throw new SourceException("delete: ", e);
        }
    }
}

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From source file:org.apache.cocoon.forms.binding.SimpleRepeaterJXPathBinding.java

public void doSave(Widget frmModel, JXPathContext jctx) throws BindingException {
    // Find the repeater
    Repeater repeater = (Repeater) selectWidget(frmModel, this.repeaterId);

    if (repeater.getSize() == 0 && this.deleteIfEmpty) {
        // Repeater is empty : erase all
        jctx.removeAll(this.repeaterPath);
    } else {//  w  ww .j av a  2  s .  co m
        // Repeater is not empty
        // Move to repeater context and create the path if needed
        JXPathContext repeaterContext = jctx.getRelativeContext(jctx.createPath(this.repeaterPath));

        // Delete all that is already present
        repeaterContext.removeAll(this.rowPath);

        for (int i = 0; i < repeater.getSize(); i++) {
            Pointer rowPtr = repeaterContext.createPath(this.rowPath + '[' + (i + 1) + ']');
            JXPathContext rowContext = repeaterContext.getRelativeContext(rowPtr);
            this.rowBinding.saveFormToModel(repeater.getRow(i), rowContext);
        }
    }
}

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From source file:org.apache.cocoon.forms.binding.TempRepeaterJXPathBinding.java

public void doSave(Widget frmModel, JXPathContext jctx) throws BindingException {
    // (See comment in doLoad about type checking and throwing a meaningful exception.)
    Repeater repeater = (Repeater) selectWidget(frmModel, this.repeaterId);

    // Perform shortcut binding if the repeater is empty
    // and the deleteIfEmpty config option is selected.
    if (repeater.getSize() == 0 && this.deleteIfEmpty) {
        // Delete all of the old data for this repeater.
        jctx.removeAll(this.repeaterPath);

        // Otherwise perform the normal save binding.
    } else {/*from w w  w  .  j av a2 s . co  m*/

        // Narrow to the repeater context, creating the path if it did not exist.
        JXPathContext repeaterContext = jctx.getRelativeContext(jctx.createPath(this.repeaterPath));

        // Start by deleting all of the old row data.
        repeaterContext.removeAll(this.rowPath);

        // Verify that repeater is not empty and has an insert row binding.
        if (repeater.getSize() > 0) {
            if (this.insertRowBinding != null) {

                //register the factory!
                //this.insertRowBinding.saveFormToModel(repeater, repeaterContext);

                // Iterate through the repeater rows.
                for (int i = 0; i < repeater.getSize(); i++) {

                    // Narrow to the repeater row context.
                    Pointer rowPointer = repeaterContext.getPointer(this.rowPathInsert);
                    JXPathContext rowContext = repeaterContext.getRelativeContext(rowPointer);

                    // Variables used for virtual rows.
                    // They are initialized here just to keep the compiler happy. 
                    Node rowNode = null;
                    Node virtualNode = null;

                    // If virtual rows are requested, create a temporary node and
                    // narrow the context to this initially empty new virtual row.
                    if (virtualRows == true) {
                        rowNode = (Node) rowContext.getContextBean();
                        Document document = rowNode.getOwnerDocument();
                        virtualNode = document.createElementNS(null, "virtual");
                        Node fakeDocElement = document.getDocumentElement().cloneNode(false);
                        fakeDocElement.appendChild(virtualNode);
                        rowContext = JXPathContext.newContext(repeaterContext, fakeDocElement);
                        rowContext = rowContext.getRelativeContext(rowContext.getPointer("virtual"));
                    }

                    // Perform the insert row binding
                    this.insertRowBinding.saveFormToModel(repeater, rowContext);

                    // Perform the save row binding.
                    this.rowBinding.saveFormToModel(repeater.getRow(i), rowContext);

                    // If virtual rows are requested, finish by appending the
                    // children of the virtual row to the real context node.
                    if (virtualRows == true) {
                        NodeList list = virtualNode.getChildNodes();
                        int count = list.getLength();
                        for (int j = 0; j < count; j++) {
                            // The list shrinks when a child is appended to the context
                            // node, so we always reference the first child in the list.
                            rowNode.appendChild(list.item(0));
                        }
                    }
                    getLogger().debug("bound new row");
                }
            } else {
                getLogger().warn("TempRepeaterBinding has detected rows to insert, "
                        + "but misses the <on-insert-row> binding to do it.");
            }
        }
    }
}

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From source file:org.apache.cocoon.woody.binding.MultiValueJXPathBinding.java

public void doSave(Widget frmModel, JXPathContext jctx) throws BindingException {
    Widget widget = frmModel.getWidget(this.multiValueId);
    Object[] values = (Object[]) widget.getValue();

    JXPathContext multiValueContext = jctx.getRelativeContext(jctx.createPath(this.multiValuePath));
    // Delete all that is already present
    multiValueContext.removeAll(this.rowPath);

    boolean update = false;

    if (values != null) {
        // first update the values
        for (int i = 0; i < values.length; i++) {
            String path = this.rowPath + '[' + (i + 1) + ']';
            Pointer rowPtr = multiValueContext.createPath(path);

            Object value = values[i];
            if (value != null && convertor != null) {
                value = convertor.convertToString(value, convertorLocale, null);
            }/* www.  ja  v  a 2  s  .  c  om*/

            rowPtr.setValue(value);
        }

        // now perform any other bindings that need to be performed when the value is updated
        this.updateBinding.saveFormToModel(frmModel, multiValueContext);

        update = true;
    }

    if (getLogger().isDebugEnabled()) {
        getLogger().debug("done saving " + toString() + " -- on-update == " + update);
    }

}

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From source file:org.apache.cocoon.woody.binding.SimpleRepeaterJXPathBinding.java

public void doSave(Widget frmModel, JXPathContext jctx) throws BindingException {
    // Find the repeater
    Repeater repeater = (Repeater) frmModel.getWidget(this.repeaterId);

    if (repeater.getSize() == 0 && this.deleteIfEmpty) {
        // Repeater is empty : erase all
        jctx.removeAll(this.repeaterPath);
    } else {/*from  www . j  a  v a  2 s  . c  o m*/
        // Repeater is not empty
        // Move to repeater context and create the path if needed
        JXPathContext repeaterContext = jctx.getRelativeContext(jctx.createPath(this.repeaterPath));

        // Delete all that is already present
        repeaterContext.removeAll(this.rowPath);

        for (int i = 0; i < repeater.getSize(); i++) {
            Pointer rowPtr = repeaterContext.createPath(this.rowPath + '[' + (i + 1) + ']');
            JXPathContext rowContext = repeaterContext.getRelativeContext(rowPtr);
            this.rowBinding.saveFormToModel(repeater.getRow(i), rowContext);
        }
    }
}

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From source file:org.apache.cocoon.woody.binding.TempRepeaterJXPathBinding.java

public void doSave(Widget frmModel, JXPathContext jctx) throws BindingException {
    // (See comment in doLoad about type checking and throwing a meaningful exception.)
    Repeater repeater = (Repeater) frmModel.getWidget(this.repeaterId);

    // Perform shortcut binding if the repeater is empty
    // and the deleteIfEmpty config option is selected.
    if (repeater.getSize() == 0 && this.deleteIfEmpty) {
        // Delete all of the old data for this repeater.
        jctx.removeAll(this.repeaterPath);

        // Otherwise perform the normal save binding.
    } else {/*from   w w w  . j a  v a 2 s. c  o m*/

        // Narrow to the repeater context, creating the path if it did not exist.
        JXPathContext repeaterContext = jctx.getRelativeContext(jctx.createPath(this.repeaterPath));

        // Start by deleting all of the old row data.
        repeaterContext.removeAll(this.rowPath);

        // Verify that repeater is not empty and has an insert row binding.
        if (repeater.getSize() > 0) {
            if (this.insertRowBinding != null) {

                //register the factory!
                //this.insertRowBinding.saveFormToModel(repeater, repeaterContext);

                // Iterate through the repeater rows.
                for (int i = 0; i < repeater.getSize(); i++) {

                    // Narrow to the repeater row context.
                    Pointer rowPointer = repeaterContext.getPointer(this.rowPathInsert);
                    JXPathContext rowContext = repeaterContext.getRelativeContext(rowPointer);

                    // Variables used for virtual rows.
                    // They are initialized here just to keep the compiler happy. 
                    Node rowNode = null;
                    Node virtualNode = null;

                    // If virtual rows are requested, create a temporary node and
                    // narrow the context to this initially empty new virtual row.
                    if (virtualRows == true) {
                        rowNode = (Node) rowContext.getContextBean();
                        virtualNode = rowNode.getOwnerDocument().createElementNS(null, "virtual");
                        rowContext = JXPathContext.newContext(repeaterContext, virtualNode);
                    }

                    // Perform the insert row binding
                    this.insertRowBinding.saveFormToModel(repeater, rowContext);

                    // Perform the save row binding.
                    this.rowBinding.saveFormToModel(repeater.getRow(i), rowContext);

                    // If virtual rows are requested, finish by appending the
                    // children of the virtual row to the real context node.
                    if (virtualRows == true) {
                        NodeList list = virtualNode.getChildNodes();
                        int count = list.getLength();
                        for (int j = 0; j < count; j++) {
                            // The list shrinks when a child is appended to the context
                            // node, so we always reference the first child in the list.
                            rowNode.appendChild(list.item(0));
                        }
                    }
                    getLogger().debug("bound new row");
                }
            } else {
                getLogger().warn("TempRepeaterBinding has detected rows to insert, "
                        + "but misses the <on-insert-row> binding to do it.");
            }
        }
    }
}

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