diff options
Diffstat (limited to 'org.eclipse.ui.intro/src/org/eclipse/ui/internal/intro/impl/model/util/ModelUtil.java')
| -rw-r--r-- | org.eclipse.ui.intro/src/org/eclipse/ui/internal/intro/impl/model/util/ModelUtil.java | 798 |
1 files changed, 399 insertions, 399 deletions
diff --git a/org.eclipse.ui.intro/src/org/eclipse/ui/internal/intro/impl/model/util/ModelUtil.java b/org.eclipse.ui.intro/src/org/eclipse/ui/internal/intro/impl/model/util/ModelUtil.java index 97caea031..1a2383df2 100644 --- a/org.eclipse.ui.intro/src/org/eclipse/ui/internal/intro/impl/model/util/ModelUtil.java +++ b/org.eclipse.ui.intro/src/org/eclipse/ui/internal/intro/impl/model/util/ModelUtil.java @@ -40,407 +40,407 @@ import org.w3c.dom.NodeList; */ public class ModelUtil { - private static String TAG_BODY = "body"; //$NON-NLS-1$ - private static String TAG_HEAD = "head"; //$NON-NLS-1$ - private static String TAG_BASE = "base"; //$NON-NLS-1$ - public static String TAG_DIV = "div"; //$NON-NLS-1$ - public static String TAG_HEAD_LINK = "link"; //$NON-NLS-1$ - private static String TAG_PARAM = "param"; //$NON-NLS-1$ - private static String ATT_SRC = "src"; //$NON-NLS-1$ - private static String ATT_HREF = "href"; //$NON-NLS-1$ - private static String ATT_CITE = "cite"; //$NON-NLS-1$ - private static String ATT_LONGDESC = "longdesc"; //$NON-NLS-1$ - private static String ATT_DATA = "data"; //$NON-NLS-1$ - private static String ATT_CODEBASE = "codebase"; //$NON-NLS-1$ - private static String ATT_VALUE = "value"; //$NON-NLS-1$ - private static String ATT_VALUE_TYPE = "valuetype"; //$NON-NLS-1$ - private static String ATT_REL = "rel"; //$NON-NLS-1$ - private static String ATT_TYPE = "type"; //$NON-NLS-1$ - - - - /* - * ********* Model util methods ************************************ - */ - - /** - * Checks to see if the passed string is a valid URL (has a protocol), if - * yes, returns it as is. If no, treats it as a resource relative to the - * declaring plugin. Return the plugin relative location, fully qualified. - * Retruns null if the passed string itself is null. - * - * @param resource - * @param pluginDesc - * @return returns the URL as is if it had a protocol. - */ - public static String resolveURL(String url, String pluginId) { - Bundle bundle = null; - if (pluginId != null) - // if pluginId is not null, use it. - bundle = Platform.getBundle(pluginId); - return resolveURL("", url, bundle); //$NON-NLS-1$ - } - - - - /** - * Checks to see if the passed string is a valid URL (has a protocol), if - * yes, returns it as is. If no, treats it as a resource relative to the - * declaring plugin. Return the plugin relative location, fully qualified. - * Retruns null if the passed string itself is null. - * - * @param resource - * @param pluginDesc - * @return returns the URL as is if it had a protocol. - */ - public static String resolveURL(String url, IConfigurationElement element) { - Bundle bundle = BundleUtil.getBundleFromConfigurationElement(element); - return resolveURL("", url, bundle); //$NON-NLS-1$ - } - - - - /** - * @see resolveURL(String url, IConfigurationElement element) - */ - public static String resolveURL(String base, String url, Bundle bundle) { - // quick exit - if (url == null) - return null; - IntroURLParser parser = new IntroURLParser(url); - if (parser.hasProtocol()) - return url; - // make plugin relative url. Only now we need the bundle. - return BundleUtil.getResolvedResourceLocation(base, url, bundle); - } - - /** - * Ensures that a file:// URL exists for the bundle root. This will - * cause jarred bundles to be extracted into a cache directory. - */ - public static void ensureFileURLsExist(Bundle bundle, String contentFile) { - try { - FileLocator.toFileURL(bundle.getEntry("/")); //$NON-NLS-1$ - } catch (Exception e) { - if (contentFile != null) - Log.error("Failed to extract Intro content folder for: " //$NON-NLS-1$ - + contentFile, e); - } - } - - - /** - * Returns the path to the parent folder containing the passed content xml - * file. It is assumed that the path is a local url representing a content - * file. - */ - public static String getParentFolderToString(String contentFilePath) { - IPath path = getParentFolderPath(contentFilePath); - return path.toString(); - } - - - /* - * - * ******** XHTML DOM util methods ********************************* - */ - - /** - * Returns the path to the parent folder containing the passed content xml - * file. It is assumed that the path is a local url representing a content - * file. - */ - public static String getParentFolderOSString(String contentFilePath) { - IPath path = getParentFolderPath(contentFilePath); - return path.toOSString(); - } - - /** - * Returns the parent folder of the given path. - */ - public static IPath getParentFolderPath(String contentFilePath) { - IPath path = new Path(contentFilePath); - path = path.removeLastSegments(1).addTrailingSeparator(); - return path; - } - - - - - public static void insertBase(Document dom, String baseURL) { - // there should only be one head and one base element dom. - NodeList headList = dom.getElementsByTagName(TAG_HEAD); - Element head = (Element) headList.item(0); - NodeList baseList = head.getElementsByTagName(TAG_BASE); - if (baseList.getLength() == 0) { - // insert a base element, since one is not defined already. - Element base = dom.createElement(TAG_BASE); - base.setAttribute(ATT_HREF, baseURL); - head.insertBefore(base, head.getFirstChild()); - } - } - - - public static Element getBase(Document dom) { - // there should only be one head and one base element dom. - NodeList headList = dom.getElementsByTagName(TAG_HEAD); - Element head = (Element) headList.item(0); - NodeList baseList = head.getElementsByTagName(TAG_BASE); - if (baseList.getLength() == 0) - // no base defined, signal failure. - return null; - - return (Element) baseList.item(baseList.getLength() - 1); - - } - - - // <link rel="stylesheet" href="shared.css" type="text/css" /> - public static void insertStyle(Document dom, String cssUrl) { - // there should only be one head and one base element dom. - NodeList headList = dom.getElementsByTagName(TAG_HEAD); - Element head = null; - // Element base = getBase(dom); - NodeList styleList = null; - // there can be more than one style. DO not add style if it exists. - if (headList.getLength() >= 1) { - head = (Element) headList.item(0); - styleList = head.getElementsByTagName(TAG_HEAD_LINK); - for (int i = 0; i < styleList.getLength(); i++) { - Element style = (Element) styleList.item(0); - String styleString = style.getAttribute(ATT_HREF); - if (styleString.equals(cssUrl)) - return; - } - } - - // insert the style, since it is not defined. - Element styleToAdd = dom.createElement(TAG_HEAD_LINK); - styleToAdd.setAttribute(ATT_HREF, cssUrl); - styleToAdd.setAttribute(ATT_REL, "stylesheet"); //$NON-NLS-1$ - styleToAdd.setAttribute(ATT_TYPE, "text/css"); //$NON-NLS-1$ - if (styleList != null && styleList.getLength() >= 1) - styleList.item(0).getParentNode().insertBefore(styleToAdd, - styleList.item(0)); - else - head.appendChild(styleToAdd); - - } - - /** - * Returns a reference to the body of the DOM. - * - * @param dom - * @return - */ - public static Element getBodyElement(Document dom) { - // there should only be one body element dom. - NodeList bodyList = dom.getElementsByTagName(TAG_BODY); - Element body = (Element) bodyList.item(0); - return body; - } - - - - public static Element createElement(Document dom, String elementName, - Properties attributes) { - - // make sure to create element with any namespace uri to enable finding - // it again using Dom.getElementsByTagNameNS() - Element element = dom.createElementNS("", elementName); //$NON-NLS-1$ - if (attributes != null) { - Enumeration e = attributes.keys(); - while (e.hasMoreElements()) { - String key = (String) e.nextElement(); - element.setAttribute(key, attributes.getProperty(key)); - } - } - return element; - } - - public static Element createAndAppendChild(Element parentElement, - String elementName, Properties attributes) { - - Element element = createElement(parentElement.getOwnerDocument(), - elementName, attributes); - parentElement.appendChild(element); - return element; - } - - - - /** - * Returns an Element array of all first level descendant Elements with a - * given tag name, in the order in which they are encountered in the DOM. - * Unlike the JAXP apis, which returns preorder traversal of this Element - * tree, this method filters out children deeper than first level child - * nodes. - */ - public static Element[] getElementsByTagName(Element parent, String tagName) { - NodeList allChildElements = parent.getElementsByTagName(tagName); + private static String TAG_BODY = "body"; //$NON-NLS-1$ + private static String TAG_HEAD = "head"; //$NON-NLS-1$ + private static String TAG_BASE = "base"; //$NON-NLS-1$ + public static String TAG_DIV = "div"; //$NON-NLS-1$ + public static String TAG_HEAD_LINK = "link"; //$NON-NLS-1$ + private static String TAG_PARAM = "param"; //$NON-NLS-1$ + private static String ATT_SRC = "src"; //$NON-NLS-1$ + private static String ATT_HREF = "href"; //$NON-NLS-1$ + private static String ATT_CITE = "cite"; //$NON-NLS-1$ + private static String ATT_LONGDESC = "longdesc"; //$NON-NLS-1$ + private static String ATT_DATA = "data"; //$NON-NLS-1$ + private static String ATT_CODEBASE = "codebase"; //$NON-NLS-1$ + private static String ATT_VALUE = "value"; //$NON-NLS-1$ + private static String ATT_VALUE_TYPE = "valuetype"; //$NON-NLS-1$ + private static String ATT_REL = "rel"; //$NON-NLS-1$ + private static String ATT_TYPE = "type"; //$NON-NLS-1$ + + + + /* + * ********* Model util methods ************************************ + */ + + /** + * Checks to see if the passed string is a valid URL (has a protocol), if + * yes, returns it as is. If no, treats it as a resource relative to the + * declaring plugin. Return the plugin relative location, fully qualified. + * Retruns null if the passed string itself is null. + * + * @param resource + * @param pluginDesc + * @return returns the URL as is if it had a protocol. + */ + public static String resolveURL(String url, String pluginId) { + Bundle bundle = null; + if (pluginId != null) + // if pluginId is not null, use it. + bundle = Platform.getBundle(pluginId); + return resolveURL("", url, bundle); //$NON-NLS-1$ + } + + + + /** + * Checks to see if the passed string is a valid URL (has a protocol), if + * yes, returns it as is. If no, treats it as a resource relative to the + * declaring plugin. Return the plugin relative location, fully qualified. + * Retruns null if the passed string itself is null. + * + * @param resource + * @param pluginDesc + * @return returns the URL as is if it had a protocol. + */ + public static String resolveURL(String url, IConfigurationElement element) { + Bundle bundle = BundleUtil.getBundleFromConfigurationElement(element); + return resolveURL("", url, bundle); //$NON-NLS-1$ + } + + + + /** + * @see resolveURL(String url, IConfigurationElement element) + */ + public static String resolveURL(String base, String url, Bundle bundle) { + // quick exit + if (url == null) + return null; + IntroURLParser parser = new IntroURLParser(url); + if (parser.hasProtocol()) + return url; + // make plugin relative url. Only now we need the bundle. + return BundleUtil.getResolvedResourceLocation(base, url, bundle); + } + + /** + * Ensures that a file:// URL exists for the bundle root. This will + * cause jarred bundles to be extracted into a cache directory. + */ + public static void ensureFileURLsExist(Bundle bundle, String contentFile) { + try { + FileLocator.toFileURL(bundle.getEntry("/")); //$NON-NLS-1$ + } catch (Exception e) { + if (contentFile != null) + Log.error("Failed to extract Intro content folder for: " //$NON-NLS-1$ + + contentFile, e); + } + } + + + /** + * Returns the path to the parent folder containing the passed content xml + * file. It is assumed that the path is a local url representing a content + * file. + */ + public static String getParentFolderToString(String contentFilePath) { + IPath path = getParentFolderPath(contentFilePath); + return path.toString(); + } + + + /* + * + * ******** XHTML DOM util methods ********************************* + */ + + /** + * Returns the path to the parent folder containing the passed content xml + * file. It is assumed that the path is a local url representing a content + * file. + */ + public static String getParentFolderOSString(String contentFilePath) { + IPath path = getParentFolderPath(contentFilePath); + return path.toOSString(); + } + + /** + * Returns the parent folder of the given path. + */ + public static IPath getParentFolderPath(String contentFilePath) { + IPath path = new Path(contentFilePath); + path = path.removeLastSegments(1).addTrailingSeparator(); + return path; + } + + + + + public static void insertBase(Document dom, String baseURL) { + // there should only be one head and one base element dom. + NodeList headList = dom.getElementsByTagName(TAG_HEAD); + Element head = (Element) headList.item(0); + NodeList baseList = head.getElementsByTagName(TAG_BASE); + if (baseList.getLength() == 0) { + // insert a base element, since one is not defined already. + Element base = dom.createElement(TAG_BASE); + base.setAttribute(ATT_HREF, baseURL); + head.insertBefore(base, head.getFirstChild()); + } + } + + + public static Element getBase(Document dom) { + // there should only be one head and one base element dom. + NodeList headList = dom.getElementsByTagName(TAG_HEAD); + Element head = (Element) headList.item(0); + NodeList baseList = head.getElementsByTagName(TAG_BASE); + if (baseList.getLength() == 0) + // no base defined, signal failure. + return null; + + return (Element) baseList.item(baseList.getLength() - 1); + + } + + + // <link rel="stylesheet" href="shared.css" type="text/css" /> + public static void insertStyle(Document dom, String cssUrl) { + // there should only be one head and one base element dom. + NodeList headList = dom.getElementsByTagName(TAG_HEAD); + Element head = null; + // Element base = getBase(dom); + NodeList styleList = null; + // there can be more than one style. DO not add style if it exists. + if (headList.getLength() >= 1) { + head = (Element) headList.item(0); + styleList = head.getElementsByTagName(TAG_HEAD_LINK); + for (int i = 0; i < styleList.getLength(); i++) { + Element style = (Element) styleList.item(0); + String styleString = style.getAttribute(ATT_HREF); + if (styleString.equals(cssUrl)) + return; + } + } + + // insert the style, since it is not defined. + Element styleToAdd = dom.createElement(TAG_HEAD_LINK); + styleToAdd.setAttribute(ATT_HREF, cssUrl); + styleToAdd.setAttribute(ATT_REL, "stylesheet"); //$NON-NLS-1$ + styleToAdd.setAttribute(ATT_TYPE, "text/css"); //$NON-NLS-1$ + if (styleList != null && styleList.getLength() >= 1) + styleList.item(0).getParentNode().insertBefore(styleToAdd, + styleList.item(0)); + else + head.appendChild(styleToAdd); + + } + + /** + * Returns a reference to the body of the DOM. + * + * @param dom + * @return + */ + public static Element getBodyElement(Document dom) { + // there should only be one body element dom. + NodeList bodyList = dom.getElementsByTagName(TAG_BODY); + Element body = (Element) bodyList.item(0); + return body; + } + + + + public static Element createElement(Document dom, String elementName, + Properties attributes) { + + // make sure to create element with any namespace uri to enable finding + // it again using Dom.getElementsByTagNameNS() + Element element = dom.createElementNS("", elementName); //$NON-NLS-1$ + if (attributes != null) { + Enumeration e = attributes.keys(); + while (e.hasMoreElements()) { + String key = (String) e.nextElement(); + element.setAttribute(key, attributes.getProperty(key)); + } + } + return element; + } + + public static Element createAndAppendChild(Element parentElement, + String elementName, Properties attributes) { + + Element element = createElement(parentElement.getOwnerDocument(), + elementName, attributes); + parentElement.appendChild(element); + return element; + } + + + + /** + * Returns an Element array of all first level descendant Elements with a + * given tag name, in the order in which they are encountered in the DOM. + * Unlike the JAXP apis, which returns preorder traversal of this Element + * tree, this method filters out children deeper than first level child + * nodes. + */ + public static Element[] getElementsByTagName(Element parent, String tagName) { + NodeList allChildElements = parent.getElementsByTagName(tagName); Vector<Element> vector = new Vector<>(); - for (int i = 0; i < allChildElements.getLength(); i++) { - // we know that the nodelist is of elements. - Element aElement = (Element) allChildElements.item(i); - if (aElement.getParentNode().equals(parent)) - // first level child element. add it. - vector.add(aElement); - } - Element[] filteredElements = new Element[vector.size()]; - vector.copyInto(filteredElements); - return filteredElements; - } - - /** - * Same as getElementsByTagName(Element parent, String tagName) but the - * parent element is assumed to be the root of the document. - * - * @see getElementsByTagName(Element parent, String tagName) - */ - public static Element[] getElementsByTagName(Document dom, String tagName) { - NodeList allChildElements = dom.getElementsByTagName(tagName); + for (int i = 0; i < allChildElements.getLength(); i++) { + // we know that the nodelist is of elements. + Element aElement = (Element) allChildElements.item(i); + if (aElement.getParentNode().equals(parent)) + // first level child element. add it. + vector.add(aElement); + } + Element[] filteredElements = new Element[vector.size()]; + vector.copyInto(filteredElements); + return filteredElements; + } + + /** + * Same as getElementsByTagName(Element parent, String tagName) but the + * parent element is assumed to be the root of the document. + * + * @see getElementsByTagName(Element parent, String tagName) + */ + public static Element[] getElementsByTagName(Document dom, String tagName) { + NodeList allChildElements = dom.getElementsByTagName(tagName); Vector<Element> vector = new Vector<>(); - for (int i = 0; i < allChildElements.getLength(); i++) { - // we know that the nodelist is of elements. - Element aElement = (Element) allChildElements.item(i); - if (aElement.getParentNode().equals(dom.getDocumentElement())) - // first level child element. add it. Cant use getParent - // here. - vector.add(aElement); - } - Element[] filteredElements = new Element[vector.size()]; - vector.copyInto(filteredElements); - return filteredElements; - } - - - /* - * Util method similar to DOM getElementById() method, but it works without - * an id attribute being specified. Deep searches all children in this - * container's DOM for the first child with the given id. The element - * retrieved must have the passed local name. Note that in an XHTML file - * (aka DOM) elements should have a unique id within the scope of a - * document. We use local name because this allows for finding intro - * anchors, includes and dynamic content element regardless of whether or - * not an xmlns was used in the xml. - */ - public static Element getElementById(Document dom, String id, - String localElementName) { - - NodeList children = dom.getElementsByTagNameNS("*", localElementName); //$NON-NLS-1$ - for (int i = 0; i < children.getLength(); i++) { - Element element = (Element) children.item(i); - if (element.getAttribute("id").equals(id)) //$NON-NLS-1$ - return element; - } - // non found. - return null; - - } - - public static Element getElementById(Document dom, String id) { - return getElementById(dom, id, "*"); //$NON-NLS-1$ - } - - public static void updateResourceAttributes(Element element, - AbstractIntroPage page) { - updateResourceAttributes(element, page.getBase(), page.getBundle()); - } - - - public static void updateResourceAttributes(Element element, - IntroExtensionContent extensionContent) { - updateResourceAttributes(element, extensionContent.getBase(), - extensionContent.getBundle()); - } - - /** - * Updates all the resource attributes of the passed element to point to a - * local resolved url. - * - * @param element - * @param extensionContent - */ - private static void updateResourceAttributes(Element element, String base, - Bundle bundle) { - // doUpdateResourceAttributes(element, base, bundle); - NodeList children = element.getElementsByTagName("*"); //$NON-NLS-1$ - for (int i = 0; i < children.getLength(); i++) { - Element child = (Element) children.item(i); - doUpdateResourceAttributes(child, base, bundle); - } - } - - private static void doUpdateResourceAttributes(Element element, - String base, Bundle bundle) { - qualifyAttribute(element, ATT_SRC, base, bundle); - qualifyAttribute(element, ATT_HREF, base, bundle); - qualifyAttribute(element, ATT_CITE, base, bundle); - qualifyAttribute(element, ATT_LONGDESC, base, bundle); - qualifyAttribute(element, ATT_CODEBASE, base, bundle); - qualifyAttribute(element, ATT_DATA, base, bundle); - qualifyValueAttribute(element, base, bundle); - } - - private static void qualifyAttribute(Element element, String attributeName, - String base, Bundle bundle) { - if (element.hasAttribute(attributeName)) { - String attributeValue = element.getAttribute(attributeName); - if (new IntroURLParser(attributeValue).hasProtocol()) - return; - - // resolve the resource against the nl mechanism. - String attributePath = BundleUtil.getResolvedResourceLocation(base, - attributeValue, bundle); - element.setAttribute(attributeName, attributePath); - } - } - - private static void qualifyValueAttribute(Element element, String base, - Bundle bundle) { - if (element.hasAttribute(ATT_VALUE) - && element.hasAttribute(ATT_VALUE_TYPE) - && element.getAttribute(ATT_VALUE_TYPE).equals("ref") //$NON-NLS-1$ - && element.getLocalName().equals(TAG_PARAM)) { - String value = element.getAttribute(ATT_VALUE); - if (new IntroURLParser(value).hasProtocol()) - return; - // resolve the resource against the nl mechanism. - String attributePath = BundleUtil.getResolvedResourceLocation(base, - value, bundle); - element.setAttribute(ATT_VALUE, attributePath); - } - } - - - /** - * Returns an array version of the passed NodeList. Used to work around DOM - * design issues. - */ - public static Node[] getArray(NodeList nodeList) { - Node[] nodes = new Node[nodeList.getLength()]; - for (int i = 0; i < nodeList.getLength(); i++) - nodes[i] = nodeList.item(i); - return nodes; - } - - - /** - * Remove all instances of the element from the DOM. - * - */ - public static void removeAllElements(Document dom, String elementLocalName) { - // get all elements in DOM and remove them. - NodeList elements = dom.getElementsByTagNameNS("*", //$NON-NLS-1$ - elementLocalName); - // get the array version of the nodelist to work around DOM api design. - Node[] elementsArray = ModelUtil.getArray(elements); - for (int i = 0; i < elementsArray.length; i++) { - Node element = elementsArray[i]; - element.getParentNode().removeChild(element); - } - - } + for (int i = 0; i < allChildElements.getLength(); i++) { + // we know that the nodelist is of elements. + Element aElement = (Element) allChildElements.item(i); + if (aElement.getParentNode().equals(dom.getDocumentElement())) + // first level child element. add it. Cant use getParent + // here. + vector.add(aElement); + } + Element[] filteredElements = new Element[vector.size()]; + vector.copyInto(filteredElements); + return filteredElements; + } + + + /* + * Util method similar to DOM getElementById() method, but it works without + * an id attribute being specified. Deep searches all children in this + * container's DOM for the first child with the given id. The element + * retrieved must have the passed local name. Note that in an XHTML file + * (aka DOM) elements should have a unique id within the scope of a + * document. We use local name because this allows for finding intro + * anchors, includes and dynamic content element regardless of whether or + * not an xmlns was used in the xml. + */ + public static Element getElementById(Document dom, String id, + String localElementName) { + + NodeList children = dom.getElementsByTagNameNS("*", localElementName); //$NON-NLS-1$ + for (int i = 0; i < children.getLength(); i++) { + Element element = (Element) children.item(i); + if (element.getAttribute("id").equals(id)) //$NON-NLS-1$ + return element; + } + // non found. + return null; + + } + + public static Element getElementById(Document dom, String id) { + return getElementById(dom, id, "*"); //$NON-NLS-1$ + } + + public static void updateResourceAttributes(Element element, + AbstractIntroPage page) { + updateResourceAttributes(element, page.getBase(), page.getBundle()); + } + + + public static void updateResourceAttributes(Element element, + IntroExtensionContent extensionContent) { + updateResourceAttributes(element, extensionContent.getBase(), + extensionContent.getBundle()); + } + + /** + * Updates all the resource attributes of the passed element to point to a + * local resolved url. + * + * @param element + * @param extensionContent + */ + private static void updateResourceAttributes(Element element, String base, + Bundle bundle) { + // doUpdateResourceAttributes(element, base, bundle); + NodeList children = element.getElementsByTagName("*"); //$NON-NLS-1$ + for (int i = 0; i < children.getLength(); i++) { + Element child = (Element) children.item(i); + doUpdateResourceAttributes(child, base, bundle); + } + } + + private static void doUpdateResourceAttributes(Element element, + String base, Bundle bundle) { + qualifyAttribute(element, ATT_SRC, base, bundle); + qualifyAttribute(element, ATT_HREF, base, bundle); + qualifyAttribute(element, ATT_CITE, base, bundle); + qualifyAttribute(element, ATT_LONGDESC, base, bundle); + qualifyAttribute(element, ATT_CODEBASE, base, bundle); + qualifyAttribute(element, ATT_DATA, base, bundle); + qualifyValueAttribute(element, base, bundle); + } + + private static void qualifyAttribute(Element element, String attributeName, + String base, Bundle bundle) { + if (element.hasAttribute(attributeName)) { + String attributeValue = element.getAttribute(attributeName); + if (new IntroURLParser(attributeValue).hasProtocol()) + return; + + // resolve the resource against the nl mechanism. + String attributePath = BundleUtil.getResolvedResourceLocation(base, + attributeValue, bundle); + element.setAttribute(attributeName, attributePath); + } + } + + private static void qualifyValueAttribute(Element element, String base, + Bundle bundle) { + if (element.hasAttribute(ATT_VALUE) + && element.hasAttribute(ATT_VALUE_TYPE) + && element.getAttribute(ATT_VALUE_TYPE).equals("ref") //$NON-NLS-1$ + && element.getLocalName().equals(TAG_PARAM)) { + String value = element.getAttribute(ATT_VALUE); + if (new IntroURLParser(value).hasProtocol()) + return; + // resolve the resource against the nl mechanism. + String attributePath = BundleUtil.getResolvedResourceLocation(base, + value, bundle); + element.setAttribute(ATT_VALUE, attributePath); + } + } + + + /** + * Returns an array version of the passed NodeList. Used to work around DOM + * design issues. + */ + public static Node[] getArray(NodeList nodeList) { + Node[] nodes = new Node[nodeList.getLength()]; + for (int i = 0; i < nodeList.getLength(); i++) + nodes[i] = nodeList.item(i); + return nodes; + } + + + /** + * Remove all instances of the element from the DOM. + * + */ + public static void removeAllElements(Document dom, String elementLocalName) { + // get all elements in DOM and remove them. + NodeList elements = dom.getElementsByTagNameNS("*", //$NON-NLS-1$ + elementLocalName); + // get the array version of the nodelist to work around DOM api design. + Node[] elementsArray = ModelUtil.getArray(elements); + for (int i = 0; i < elementsArray.length; i++) { + Node element = elementsArray[i]; + element.getParentNode().removeChild(element); + } + + } |