All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.w3c.tidy.DOMElementImpl Maven / Gradle / Ivy

There is a newer version: 1.2
Show newest version
/*
 * Copyright 2010 Alibaba Group Holding Limited.
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * @(#)DOMElementImpl.java   1.11 2000/08/16
 *
 */

package org.w3c.tidy;

import org.w3c.dom.Attr;
import org.w3c.dom.DOMException;
import org.w3c.dom.TypeInfo;
import org.w3c.dom.UserDataHandler;

/**
 * DOMElementImpl (c) 1998-2000 (W3C) MIT, INRIA, Keio University See Tidy.java
 * for the copyright notice. Derived from  HTML Tidy Release 4 Aug
 * 2000
 *
 * @author Dave Raggett 
 * @author Andy Quick  (translation to Java)
 * @version 1.11, 2000/08/16 Tidy Release 4 Aug 2000
 */

public class DOMElementImpl extends DOMNodeImpl implements org.w3c.dom.Element {

    protected DOMElementImpl(Node adaptee) {
        super(adaptee);
    }

    /* --------------------- DOM ---------------------------- */

    /** @see org.w3c.dom.Node#getNodeType */
    @Override
    public short getNodeType() {
        return org.w3c.dom.Node.ELEMENT_NODE;
    }

    /** @see org.w3c.dom.Element#getTagName */
    public String getTagName() {
        return super.getNodeName();
    }

    /** @see org.w3c.dom.Element#getAttribute */
    public String getAttribute(String name) {
        if (this.adaptee == null) {
            return null;
        }

        AttVal att = this.adaptee.attributes;
        while (att != null) {
            if (att.attribute.equals(name)) {
                break;
            }
            att = att.next;
        }
        if (att != null) {
            return att.value;
        } else {
            return "";
        }
    }

    /** @see org.w3c.dom.Element#setAttribute */
    public void setAttribute(String name, String value) throws DOMException {
        if (this.adaptee == null) {
            return;
        }

        AttVal att = this.adaptee.attributes;
        while (att != null) {
            if (att.attribute.equals(name)) {
                break;
            }
            att = att.next;
        }
        if (att != null) {
            att.value = value;
        } else {
            att = new AttVal(null, null, '"', name, value);
            att.dict = AttributeTable.getDefaultAttributeTable().findAttribute(att);
            if (this.adaptee.attributes == null) {
                this.adaptee.attributes = att;
            } else {
                att.next = this.adaptee.attributes;
                this.adaptee.attributes = att;
            }
        }
    }

    /** @see org.w3c.dom.Element#removeAttribute */
    public void removeAttribute(String name) throws DOMException {
        if (this.adaptee == null) {
            return;
        }

        AttVal att = this.adaptee.attributes;
        AttVal pre = null;
        while (att != null) {
            if (att.attribute.equals(name)) {
                break;
            }
            pre = att;
            att = att.next;
        }
        if (att != null) {
            if (pre == null) {
                this.adaptee.attributes = att.next;
            } else {
                pre.next = att.next;
            }
        }
    }

    /** @see org.w3c.dom.Element#getAttributeNode */
    public org.w3c.dom.Attr getAttributeNode(String name) {
        if (this.adaptee == null) {
            return null;
        }

        AttVal att = this.adaptee.attributes;
        while (att != null) {
            if (att.attribute.equals(name)) {
                break;
            }
            att = att.next;
        }
        if (att != null) {
            return att.getAdapter();
        } else {
            return null;
        }
    }

    /** @see org.w3c.dom.Element#setAttributeNode */
    public org.w3c.dom.Attr setAttributeNode(org.w3c.dom.Attr newAttr) throws DOMException {
        if (newAttr == null) {
            return null;
        }
        if (!(newAttr instanceof DOMAttrImpl)) {
            throw new DOMExceptionImpl(DOMException.WRONG_DOCUMENT_ERR, "newAttr not instanceof DOMAttrImpl");
        }

        DOMAttrImpl newatt = (DOMAttrImpl) newAttr;
        String name = newatt.avAdaptee.attribute;
        org.w3c.dom.Attr result = null;

        AttVal att = this.adaptee.attributes;
        while (att != null) {
            if (att.attribute.equals(name)) {
                break;
            }
            att = att.next;
        }
        if (att != null) {
            result = att.getAdapter();
            att.adapter = newAttr;
        } else {
            if (this.adaptee.attributes == null) {
                this.adaptee.attributes = newatt.avAdaptee;
            } else {
                newatt.avAdaptee.next = this.adaptee.attributes;
                this.adaptee.attributes = newatt.avAdaptee;
            }
        }
        return result;
    }

    /** @see org.w3c.dom.Element#removeAttributeNode */
    public org.w3c.dom.Attr removeAttributeNode(org.w3c.dom.Attr oldAttr) throws DOMException {
        if (oldAttr == null) {
            return null;
        }

        org.w3c.dom.Attr result = null;
        AttVal att = this.adaptee.attributes;
        AttVal pre = null;
        while (att != null) {
            if (att.getAdapter() == oldAttr) {
                break;
            }
            pre = att;
            att = att.next;
        }
        if (att != null) {
            if (pre == null) {
                this.adaptee.attributes = att.next;
            } else {
                pre.next = att.next;
            }
            result = oldAttr;
        } else {
            throw new DOMExceptionImpl(DOMException.NOT_FOUND_ERR, "oldAttr not found");
        }
        return result;
    }

    /** @see org.w3c.dom.Element#getElementsByTagName */
    public org.w3c.dom.NodeList getElementsByTagName(String name) {
        return new DOMNodeListByTagNameImpl(this.adaptee, name);
    }

    /** @see org.w3c.dom.Element#normalize */
    @Override
    public void normalize() {
        // NOT SUPPORTED
    }

    /** DOM2 - not implemented. */
    public String getAttributeNS(String namespaceURI, String localName) {
        return null;
    }

    /**
     * DOM2 - not implemented.
     *
     * @throws org.w3c.dom.DOMException
     */
    public void setAttributeNS(String namespaceURI, String qualifiedName, String value)
            throws org.w3c.dom.DOMException {
    }

    /**
     * DOM2 - not implemented.
     *
     * @throws org.w3c.dom.DOMException
     */
    public void removeAttributeNS(String namespaceURI, String localName) throws org.w3c.dom.DOMException {
    }

    /** DOM2 - not implemented. */
    public org.w3c.dom.Attr getAttributeNodeNS(String namespaceURI, String localName) {
        return null;
    }

    /**
     * DOM2 - not implemented.
     *
     * @throws org.w3c.dom.DOMException
     */
    public org.w3c.dom.Attr setAttributeNodeNS(org.w3c.dom.Attr newAttr) throws org.w3c.dom.DOMException {
        return null;
    }

    /** DOM2 - not implemented. */
    public org.w3c.dom.NodeList getElementsByTagNameNS(String namespaceURI, String localName) {
        return null;
    }

    /** DOM2 - not implemented. */
    public boolean hasAttribute(String name) {
        return false;
    }

    /** DOM2 - not implemented. */
    public boolean hasAttributeNS(String namespaceURI, String localName) {
        return false;
    }

    public TypeInfo getSchemaTypeInfo() {
        return null;
    }

    public void setIdAttribute(String name, boolean isId) throws DOMException {
    }

    public void setIdAttributeNS(String namespaceURI, String localName, boolean isId) throws DOMException {
    }

    public void setIdAttributeNode(Attr idAttr, boolean isId) throws DOMException {
    }

    @Override
    public short compareDocumentPosition(org.w3c.dom.Node other) throws DOMException {
        return 0;
    }

    @Override
    public String getBaseURI() {
        return null;
    }

    @Override
    public Object getFeature(String feature, String version) {
        return null;
    }

    @Override
    public String getTextContent() throws DOMException {
        return null;
    }

    @Override
    public Object getUserData(String key) {
        return null;
    }

    @Override
    public boolean isDefaultNamespace(String namespaceURI) {
        return false;
    }

    @Override
    public boolean isEqualNode(org.w3c.dom.Node arg) {
        return false;
    }

    @Override
    public boolean isSameNode(org.w3c.dom.Node other) {
        return false;
    }

    @Override
    public String lookupNamespaceURI(String prefix) {
        return null;
    }

    @Override
    public String lookupPrefix(String namespaceURI) {
        return null;
    }

    @Override
    public void setTextContent(String textContent) throws DOMException {
    }

    @Override
    public Object setUserData(String key, Object data, UserDataHandler handler) {
        return null;
    }
}




© 2015 - 2025 Weber Informatics LLC | Privacy Policy