Examples with XmlCursor org.apache.xmlbeans.XmlCursor used on opensource projects

Example 91 with XmlCursor

use of org.apache.xmlbeans.XmlCursor in project hackpad by dropbox.

the class XML method createFromJS.

static XML createFromJS(XMLLibImpl lib, Object inputObject) {
    XmlObject xo;
    boolean isText = false;
    String frag;
    if (inputObject == null || inputObject == Undefined.instance) {
        frag = "";
    } else if (inputObject instanceof XMLObjectImpl) {
        // todo: faster way for XMLObjects?
        frag = ((XMLObjectImpl) inputObject).toXMLString(0);
    } else {
        if (inputObject instanceof Wrapper) {
            Object wrapped = ((Wrapper) inputObject).unwrap();
            if (wrapped instanceof XmlObject) {
                return createFromXmlObject(lib, (XmlObject) wrapped);
            }
        }
        frag = ScriptRuntime.toString(inputObject);
    }
    if (frag.trim().startsWith("<>")) {
        throw ScriptRuntime.typeError("Invalid use of XML object anonymous tags <></>.");
    }
    if (frag.indexOf("<") == -1) {
        // Must be solo text node, wrap in XML fragment
        isText = true;
        frag = "<textFragment>" + frag + "</textFragment>";
    }
    XmlOptions options = new XmlOptions();
    if (lib.ignoreComments) {
        options.put(XmlOptions.LOAD_STRIP_COMMENTS);
    }
    if (lib.ignoreProcessingInstructions) {
        options.put(XmlOptions.LOAD_STRIP_PROCINSTS);
    }
    if (lib.ignoreWhitespace) {
        options.put(XmlOptions.LOAD_STRIP_WHITESPACE);
    }
    try {
        xo = XmlObject.Factory.parse(frag, options);
        // Apply the default namespace
        Context cx = Context.getCurrentContext();
        String defaultURI = lib.getDefaultNamespaceURI(cx);
        if (defaultURI.length() > 0) {
            XmlCursor cursor = xo.newCursor();
            boolean isRoot = true;
            while (!cursor.toNextToken().isEnddoc()) {
                if (!cursor.isStart())
                    continue;
                // Check if this element explicitly sets the
                // default namespace
                boolean defaultNSDeclared = false;
                cursor.push();
                while (cursor.toNextToken().isAnyAttr()) {
                    if (cursor.isNamespace()) {
                        if (cursor.getName().getLocalPart().length() == 0) {
                            defaultNSDeclared = true;
                            break;
                        }
                    }
                }
                cursor.pop();
                if (defaultNSDeclared) {
                    cursor.toEndToken();
                    continue;
                }
                // Check if this element's name is in no namespace
                javax.xml.namespace.QName qname = cursor.getName();
                if (qname.getNamespaceURI().length() == 0) {
                    // Change the namespace
                    qname = new javax.xml.namespace.QName(defaultURI, qname.getLocalPart());
                    cursor.setName(qname);
                }
                if (isRoot) {
                    // Declare the default namespace
                    cursor.push();
                    cursor.toNextToken();
                    cursor.insertNamespace("", defaultURI);
                    cursor.pop();
                    isRoot = false;
                }
            }
            cursor.dispose();
        }
    } catch (XmlException xe) {
        /*
todo need to handle namespace prefix not found in XML look for namespace type in the scope change.

            String errorMsg = "Use of undefined namespace prefix: ";
            String msg = xe.getError().getMessage();
            if (msg.startsWith(errorMsg))
            {
                String prefix = msg.substring(errorMsg.length());
            }
*/
        String errMsg = xe.getMessage();
        if (errMsg.equals("error: Unexpected end of file after null")) {
            // Create an empty document.
            xo = XmlObject.Factory.newInstance();
        } else {
            throw ScriptRuntime.typeError(xe.getMessage());
        }
    } catch (Throwable e) {
        // todo: TLL Catch specific exceptions during parse.
        throw ScriptRuntime.typeError("Not Parsable as XML");
    }
    XmlCursor curs = xo.newCursor();
    if (curs.currentTokenType().isStartdoc()) {
        curs.toFirstContentToken();
    }
    if (isText) {
        // Move it to point to the text node
        curs.toFirstContentToken();
    }
    XScriptAnnotation anno;
    try {
        anno = new XScriptAnnotation(curs);
        curs.setBookmark(anno);
    } finally {
        curs.dispose();
    }
    return new XML(lib, anno);
}

Example 92 with XmlCursor

use of org.apache.xmlbeans.XmlCursor in project hackpad by dropbox.

the class XML method createTextElement.

/**
     *
     * @param qname
     * @param value
     * @return
     */
static XML createTextElement(XMLLibImpl lib, javax.xml.namespace.QName qname, String value) {
    XScriptAnnotation anno;
    XmlObject xo = XmlObject.Factory.newInstance();
    XmlCursor cursor = xo.newCursor();
    try {
        cursor.toNextToken();
        cursor.beginElement(qname.getLocalPart(), qname.getNamespaceURI());
        //if(namespace.length() > 0)
        //    cursor.insertNamespace("", namespace);
        cursor.insertChars(value);
        cursor.toStartDoc();
        cursor.toNextToken();
        anno = new XScriptAnnotation(cursor);
        cursor.setBookmark(anno);
    } finally {
        cursor.dispose();
    }
    return new XML(lib, anno);
}

Example 93 with XmlCursor

use of org.apache.xmlbeans.XmlCursor in project hackpad by dropbox.

the class XML method setNamespace.

/**
     *
     * @param ns
     */
void setNamespace(Namespace ns) {
    XmlCursor cursor = newCursor();
    try {
        if (cursor.isStartdoc())
            cursor.toFirstContentToken();
        if (cursor.isText() || cursor.isComment() || cursor.isProcinst())
            return;
        String prefix = ns.prefix();
        if (prefix == null) {
            prefix = "";
        }
        cursor.setName(new javax.xml.namespace.QName(ns.uri(), localName(), prefix));
    } finally {
        cursor.dispose();
    }
}

Example 94 with XmlCursor

use of org.apache.xmlbeans.XmlCursor in project hackpad by dropbox.

the class XML method getXmlChild.

/**
     *
     * @param index
     * @return
     */
XML getXmlChild(long index) {
    XML result = null;
    XmlCursor curs = newCursor();
    if (moveToChild(curs, index, false, true)) {
        result = createXML(lib, curs);
    }
    curs.dispose();
    return result;
}

Example 95 with XmlCursor

use of org.apache.xmlbeans.XmlCursor in project hackpad by dropbox.

the class XML method replace.

/**
     *
     * @param destCurs
     * @param newValue
     */
private void replace(XmlCursor destCurs, XML newValue) {
    if (destCurs.isStartdoc()) {
        // Can't overwrite a whole document (user really wants to overwrite the contents of).
        destCurs.toFirstContentToken();
    }
    // Orphan the token -- don't delete it outright on the XmlCursor.
    removeToken(destCurs);
    XmlCursor srcCurs = newValue.newCursor();
    if (srcCurs.currentTokenType().isStartdoc()) {
        // Cann't append a whole document (user really wants to append the contents of).
        srcCurs.toFirstContentToken();
    }
    moveSrcToDest(srcCurs, destCurs, false);
    // Re-link a new annotation to this cursor -- we just deleted the previous annotation on entrance to replace.
    if (!destCurs.toPrevSibling()) {
        destCurs.toPrevToken();
    }
    destCurs.setBookmark(new XScriptAnnotation(destCurs));
    // todo would be nice if destCurs.toNextSibling went to where the next token if the cursor was pointing at the last token in the stream.
    destCurs.toEndToken();
    destCurs.toNextToken();
    srcCurs.dispose();
}