| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Xalan" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 1999, Lotus |
| * Development Corporation., http://www.lotus.com. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.xalan.templates; |
| |
| import java.util.Vector; |
| |
| import org.apache.xml.utils.QName; |
| import org.apache.xml.utils.NameSpace; |
| import org.apache.xml.utils.StringToStringTable; |
| import org.apache.xml.utils.StringVector; |
| import org.apache.xalan.extensions.ExtensionHandler; |
| import org.apache.xalan.extensions.ExtensionHandlerGeneral; |
| import org.apache.xalan.extensions.ExtensionsTable; |
| import org.apache.xalan.transformer.TransformerImpl; |
| |
| import javax.xml.transform.TransformerException; |
| |
| import org.apache.xpath.XPathContext; |
| import org.apache.xalan.res.XSLTErrorResources; |
| import org.apache.xalan.res.XSLMessages; |
| |
| /** |
| * <meta name="usage" content="internal"/> |
| * Implement the declaration of an extension element |
| */ |
| public class ElemExtensionDecl extends ElemTemplateElement |
| { |
| |
| /** |
| * Constructor ElemExtensionDecl |
| * |
| */ |
| public ElemExtensionDecl() |
| { |
| |
| // System.out.println("ElemExtensionDecl ctor"); |
| } |
| |
| /** Prefix string for this extension element. |
| * @serial */ |
| private String m_prefix = null; |
| |
| /** |
| * Set the prefix for this extension element |
| * |
| * |
| * @param v Prefix to set for this extension element |
| */ |
| public void setPrefix(String v) |
| { |
| m_prefix = v; |
| } |
| |
| /** |
| * Set the prefix for this extension element |
| * |
| * |
| * @return Prefix for this extension element |
| */ |
| public String getPrefix() |
| { |
| return m_prefix; |
| } |
| |
| /** StringVector holding the names of functions defined in this extension. |
| * @serial */ |
| private StringVector m_functions = new StringVector(); |
| |
| /** |
| * Set the names of functions defined in this extension |
| * |
| * |
| * @param v StringVector holding the names of functions defined in this extension |
| */ |
| public void setFunctions(StringVector v) |
| { |
| m_functions = v; |
| } |
| |
| /** |
| * Get the names of functions defined in this extension |
| * |
| * |
| * @return StringVector holding the names of functions defined in this extension |
| */ |
| public StringVector getFunctions() |
| { |
| return m_functions; |
| } |
| |
| /** |
| * Get a function at a given index in this extension element |
| * |
| * |
| * @param i Index of function to get |
| * |
| * @return Name of Function at given index |
| * |
| * @throws ArrayIndexOutOfBoundsException |
| */ |
| public String getFunction(int i) throws ArrayIndexOutOfBoundsException |
| { |
| |
| if (null == m_functions) |
| throw new ArrayIndexOutOfBoundsException(); |
| |
| return (String) m_functions.elementAt(i); |
| } |
| |
| /** |
| * Get count of functions defined in this extension element |
| * |
| * |
| * @return count of functions defined in this extension element |
| */ |
| public int getFunctionCount() |
| { |
| return (null != m_functions) ? m_functions.size() : 0; |
| } |
| |
| /** StringVector of elements defined in this extension. |
| * @serial */ |
| private StringVector m_elements = null; |
| |
| /** |
| * Set StringVector of elements for this extension |
| * |
| * |
| * @param v StringVector of elements to set |
| */ |
| public void setElements(StringVector v) |
| { |
| m_elements = v; |
| } |
| |
| /** |
| * Get StringVector of elements defined for this extension |
| * |
| * |
| * @return StringVector of elements defined for this extension |
| */ |
| public StringVector getElements() |
| { |
| return m_elements; |
| } |
| |
| /** |
| * Get the element at the given index |
| * |
| * |
| * @param i Index of element to get |
| * |
| * @return The element at the given index |
| * |
| * @throws ArrayIndexOutOfBoundsException |
| */ |
| public String getElement(int i) throws ArrayIndexOutOfBoundsException |
| { |
| |
| if (null == m_elements) |
| throw new ArrayIndexOutOfBoundsException(); |
| |
| return (String) m_elements.elementAt(i); |
| } |
| |
| /** |
| * Return the count of elements defined for this extension element |
| * |
| * |
| * @return the count of elements defined for this extension element |
| */ |
| public int getElementCount() |
| { |
| return (null != m_elements) ? m_elements.size() : 0; |
| } |
| |
| /** |
| * Get an int constant identifying the type of element. |
| * @see org.apache.xalan.templates.Constants |
| * |
| * @return The token ID for this element |
| */ |
| public int getXSLToken() |
| { |
| return Constants.ELEMNAME_EXTENSIONDECL; |
| } |
| |
| /** |
| * This function will be called on top-level elements |
| * only, just before the transform begins. |
| * |
| * @param transformer The XSLT TransformerFactory. |
| * |
| * @throws TransformerException |
| */ |
| public void runtimeInit(TransformerImpl transformer) throws TransformerException |
| { |
| |
| String lang = null; |
| String srcURL = null; |
| String scriptSrc = null; |
| String prefix = getPrefix(); |
| String declNamespace = getNamespaceForPrefix(prefix); |
| |
| if (null == declNamespace) |
| throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_NO_NAMESPACE_DECL, new Object[]{prefix})); //"Prefix " + prefix |
| //+ " does not have a corresponding " |
| //+ "namespace declaration"); |
| |
| for (ElemTemplateElement child = getFirstChildElem(); child != null; |
| child = child.getNextSiblingElem()) |
| { |
| if (Constants.ELEMNAME_EXTENSIONSCRIPT == child.getXSLToken()) |
| { |
| ElemExtensionScript sdecl = (ElemExtensionScript) child; |
| |
| lang = sdecl.getLang(); |
| srcURL = sdecl.getSrc(); |
| |
| ElemTemplateElement childOfSDecl = sdecl.getFirstChildElem(); |
| |
| if (null != childOfSDecl) |
| { |
| if (Constants.ELEMNAME_TEXTLITERALRESULT |
| == childOfSDecl.getXSLToken()) |
| { |
| ElemTextLiteral tl = (ElemTextLiteral) childOfSDecl; |
| char[] chars = tl.getChars(); |
| |
| scriptSrc = new String(chars); |
| |
| if (scriptSrc.trim().length() == 0) |
| scriptSrc = null; |
| } |
| } |
| } |
| } |
| |
| if (null == lang) |
| lang = "javaclass"; |
| |
| if (lang.equals("javaclass") && (scriptSrc != null)) |
| throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_ELEM_CONTENT_NOT_ALLOWED, new Object[]{scriptSrc})); //"Element content not allowed for lang=javaclass " |
| //+ scriptSrc); |
| |
| XPathContext liaison = ((XPathContext) transformer.getXPathContext()); |
| ExtensionsTable etable = liaison.getExtensionsTable(); |
| ExtensionHandler nsh = etable.get(declNamespace); |
| |
| // If we have no prior ExtensionHandler for this namespace, we need to |
| // create one. |
| // If the script element is for javaclass, this is our special compiled java. |
| // Element content is not supported for this so we throw an exception if |
| // it is provided. Otherwise, we look up the srcURL to see if we already have |
| // an ExtensionHandler. |
| if (null == nsh) |
| { |
| if (lang.equals("javaclass")) |
| { |
| if (null == srcURL) |
| { |
| nsh = etable.makeJavaNamespace(declNamespace); |
| } |
| else |
| { |
| nsh = etable.get(srcURL); |
| |
| if (null == nsh) |
| { |
| nsh = etable.makeJavaNamespace(srcURL); |
| } |
| } |
| } |
| else // not java |
| { |
| nsh = new ExtensionHandlerGeneral(declNamespace, this.m_elements, |
| this.m_functions, lang, srcURL, |
| scriptSrc, getSystemId()); |
| |
| // System.out.println("Adding NS Handler: declNamespace = "+ |
| // declNamespace+", lang = "+lang+", srcURL = "+ |
| // srcURL+", scriptSrc="+scriptSrc); |
| } |
| |
| etable.addExtensionNamespace(declNamespace, nsh); |
| } |
| } |
| } |