uncheckedjdomfactory.java

一个用于搜索本地文件内容的小型搜索引擎

/*-- 

 $Id: UncheckedJDOMFactory.java,v 1.4 2007/11/10 05:28:59 jhunter Exp $

 Copyright (C) 2000-2007 Jason Hunter & Brett McLaughlin.
 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 disclaimer that follows 
    these conditions in the documentation and/or other materials 
    provided with the distribution.

 3. The name "JDOM" must not be used to endorse or promote products
    derived from this software without prior written permission.  For
    written permission, please contact <request_AT_jdom_DOT_org>.
 
 4. Products derived from this software may not be called "JDOM", nor
    may "JDOM" appear in their name, without prior written permission
    from the JDOM Project Management <request_AT_jdom_DOT_org>.
 
 In addition, we request (but do not require) that you include in the 
 end-user documentation provided with the redistribution and/or in the 
 software itself an acknowledgement equivalent to the following:
     "This product includes software developed by the
      JDOM Project (http://www.jdom.org/)."
 Alternatively, the acknowledgment may be graphical using the logos 
 available at http://www.jdom.org/images/logos.

 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 JDOM AUTHORS OR THE PROJECT
 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 JDOM Project and was originally 
 created by Jason Hunter <jhunter_AT_jdom_DOT_org> and
 Brett McLaughlin <brett_AT_jdom_DOT_org>.  For more information
 on the JDOM Project, please see <http://www.jdom.org/>.
 
 */

package org.jdom;

import java.util.*;

/**
 * Special factory for building documents without any content or structure
 * checking.  This should only be used when you are 100% positive that the
 * input is absolutely correct.  This factory can speed builds, but any
 * problems in the input will be uncaught until later when they could cause
 * infinite loops, malformed XML, or worse.  Use with extreme caution.
 */
public class UncheckedJDOMFactory implements JDOMFactory {

    // =====================================================================
    // Element Factory
    // =====================================================================

    public Element element(String name, Namespace namespace) {
        Element e = new Element();
        e.name = name;
        if (namespace == null) {
            namespace = Namespace.NO_NAMESPACE;
        }
        e.namespace = namespace;
        return e;
    }

    public Element element(String name) {
        Element e = new Element();
        e.name = name;
        e.namespace = Namespace.NO_NAMESPACE;
        return e;
    }

    public Element element(String name, String uri) {
        return element(name, Namespace.getNamespace("", uri));
    }

    public Element element(String name, String prefix, String uri) {
        return element(name, Namespace.getNamespace(prefix, uri));
    }

    // =====================================================================
    // Attribute Factory
    // =====================================================================

    public Attribute attribute(String name, String value, Namespace namespace) {
        Attribute a = new Attribute();
        a.name = name;
        a.value = value;
        if (namespace == null) {
            namespace = Namespace.NO_NAMESPACE;
        }
        a.namespace = namespace;
        return a;
    }

    public Attribute attribute(String name, String value, int type, Namespace namespace) {
        Attribute a = new Attribute();
        a.name = name;
        a.type = type;
        a.value = value;
        if (namespace == null) {
            namespace = Namespace.NO_NAMESPACE;
        }
        a.namespace = namespace;
        return a;
    }

    public Attribute attribute(String name, String value) {
        Attribute a = new Attribute();
        a.name = name;
        a.value = value;
        a.namespace = Namespace.NO_NAMESPACE;
        return a;
    }

    public Attribute attribute(String name, String value, int type) {
        Attribute a = new Attribute();
        a.name = name;
        a.type = type;
        a.value = value;
        a.namespace = Namespace.NO_NAMESPACE;
        return a;
    }

    // =====================================================================
    // Text Factory
    // =====================================================================

    public Text text(String str) {
        Text t = new Text();
        t.value = str;
        return t;
    }

    // =====================================================================
    // CDATA Factory
    // =====================================================================

    public CDATA cdata(String str) {
        CDATA c = new CDATA();
        c.value = str;
        return c;
    }

    // =====================================================================
    // Comment Factory
    // =====================================================================

    public Comment comment(String str) {
        Comment c = new Comment();
        c.text = str;
        return c;
    }

    // =====================================================================
    // Processing Instruction Factory
    // =====================================================================

    public ProcessingInstruction processingInstruction(String target, Map data) {
        ProcessingInstruction p = new ProcessingInstruction();
        p.target = target;
        p.setData(data);
        return p;
    }

    public ProcessingInstruction processingInstruction(String target, String data) {
        ProcessingInstruction p = new ProcessingInstruction();
        p.target = target;
        p.setData(data);
        return p;
    }

    // =====================================================================
    // Entity Ref Factory
    // =====================================================================

    public EntityRef entityRef(String name) {
        EntityRef e = new org.jdom.EntityRef();
        e.name = name;
        return e;
    }

    public EntityRef entityRef(String name, String systemID) {
        EntityRef e = new EntityRef();
        e.name = name;
        e.systemID = systemID;
        return e;
    }

    public EntityRef entityRef(String name, String publicID, String systemID) {
        EntityRef e = new EntityRef();
        e.name = name;
        e.publicID = publicID;
        e.systemID = systemID;
        return e;
    }

    // =====================================================================
    // DocType Factory
    // =====================================================================

    public DocType docType(String elementName, String publicID, String systemID) {
        DocType d = new DocType();
        d.elementName = elementName;
        d.publicID = publicID;
        d.systemID = systemID;
        return d;
    }

    public DocType docType(String elementName, String systemID) {
        return docType(elementName, null, systemID);
    }

    public DocType docType(String elementName) {
        return docType(elementName, null, null);
    }

    // =====================================================================
    // Document Factory
    // =====================================================================

    public Document document(Element rootElement, DocType docType, String baseURI) {
        Document d = new Document();
        if (docType != null) {
            addContent(d, docType);
        }
        if (rootElement != null) {
            addContent(d, rootElement);
        }
        if (baseURI != null) {
            d.baseURI = baseURI;
        }
        return d;
    }

    public Document document(Element rootElement, DocType docType) {
        return document(rootElement, docType, null);
    }

    public Document document(Element rootElement) {
        return document(rootElement, null, null);
    }

    // =====================================================================
    // List manipulation
    // =====================================================================

    public void addContent(Parent parent, Content child) {
        if (parent instanceof Element) {
            Element elt = (Element) parent;
            elt.content.uncheckedAddContent(child);
        }
        else {
            Document doc = (Document) parent;
            doc.content.uncheckedAddContent(child);
        }
    }

    public void setAttribute(Element parent, Attribute a) {
        parent.attributes.uncheckedAddAttribute(a);
    }

    public void addNamespaceDeclaration(Element parent, Namespace additional) {
        if (parent.additionalNamespaces == null) {
            parent.additionalNamespaces = new ArrayList(5); //Element.INITIAL_ARRAY_SIZE
        }
        parent.additionalNamespaces.add(additional);
    }
}