Example usage for org.apache.commons.jxpath.ri.model NodePointer getImmediateParentPointer

Introduction

In this page you can find the example usage for org.apache.commons.jxpath.ri.model NodePointer getImmediateParentPointer.

Prototype

public NodePointer getImmediateParentPointer() 

Source Link

Document

Get the immediate parent pointer.

Usage

From source file:org.eclipse.e4.emf.internal.xpath.EStructuralFeatureIterator.java

/**
 * Create a new PropertyIterator./*from ww w  .  java 2s.  c o  m*/
 * @param pointer owning pointer
 * @param name property name
 * @param reverse iteration order
 * @param startWith beginning pointer
 */
public EStructuralFeatureIterator(EStructuralFeatureOwnerPointer pointer, String name, boolean reverse,
        NodePointer startWith) {
    propertyNodePointer = (EStructuralFeaturePointer) pointer.getPropertyPointer().clone();
    this.name = name;
    this.reverse = reverse;
    this.includeStart = true;
    if (reverse) {
        this.startPropertyIndex = EStructuralFeaturePointer.UNSPECIFIED_PROPERTY;
        this.startIndex = -1;
    }
    if (startWith != null) {
        while (startWith != null && startWith.getImmediateParentPointer() != pointer) {
            startWith = startWith.getImmediateParentPointer();
        }
        if (startWith == null) {
            throw new JXPathException(
                    "PropertyIerator startWith parameter is " + "not a child of the supplied parent");
        }
        this.startPropertyIndex = ((EStructuralFeaturePointer) startWith).getPropertyIndex();
        this.startIndex = startWith.getIndex();
        if (this.startIndex == NodePointer.WHOLE_COLLECTION) {
            this.startIndex = 0;
        }
        this.includeStart = false;
        if (reverse && startIndex == -1) {
            this.includeStart = true;
        }
    }
}

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From source file:org.eclipse.e4.emf.internal.xpath.NullElementPointer.java

@Override
public String asPath() {
    StringBuffer buffer = new StringBuffer();
    NodePointer parent = getImmediateParentPointer();
    if (parent != null) {
        buffer.append(parent.asPath());// w  w  w  .j  a  va 2  s  .  c  o m
    }
    if (index != WHOLE_COLLECTION) {
        // Address the list[1][2] case
        if (parent != null && parent.getIndex() != WHOLE_COLLECTION) {
            buffer.append("/.");
        } else if (parent != null && parent.getImmediateParentPointer() != null
                && parent.getImmediateParentPointer().getIndex() != WHOLE_COLLECTION) {
            buffer.append("/.");
        }
        buffer.append("[").append(index + 1).append(']');
    }

    return buffer.toString();
}

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