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path: root/server/src/com/vaadin/ui/LoadingIndicatorConfiguration.java
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* Update copyright year to 2014Artur Signell2014-04-161-1/+1
* Renamed loading indicator states to 'first','second','third' (#11668)Artur Signell2013-04-231-38/+39
* Renamed UI.getLoadingIndicator -> getLoadingIndicatorConfiguration (#11665)Artur Signell2013-04-231-0/+159
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/*
 * Copyright 2005 The Apache Software Foundation.
 * 
 * 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.
 */

/* $Id$ */
 
package org.apache.fop.render.ps.extensions;

// FOP
import org.apache.fop.apps.FOPException;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.ValidationException;
import org.apache.fop.fo.extensions.ExtensionAttachment;
import org.xml.sax.Attributes;
import org.xml.sax.Locator;

/**
 * Base class for the PostScript-specific extension elements.
 */
public abstract class AbstractPSExtensionObject extends FONode {

    private PSSetupCode setupCode = new PSSetupCode();
    
    /**
     * @see org.apache.fop.fo.FONode#FONode(FONode)
     */
    public AbstractPSExtensionObject(FONode parent) {
        super(parent);
    }

    /**
     * @see org.apache.fop.fo.FONode#validateChildNode(Locator, String, String)
     * here, blocks XSL FO's from having non-FO parents.
     */
    protected void validateChildNode(Locator loc, String nsURI, String localName) 
                throws ValidationException {
        if (FO_URI.equals(nsURI)) {
            invalidChildError(loc, nsURI, localName);
        }
    }

    /** @see org.apache.fop.fo.FONode */
    protected void addCharacters(char[] data, int start, int length,
                                 PropertyList pList, Locator locator) {
        if (setupCode.getContent() != null) {
            StringBuffer sb = new StringBuffer(setupCode.getContent());
            sb.append(data, start, length - start);
            setupCode.setContent(sb.toString());
        } else {
            setupCode.setContent(new String(data, start, length - start));
        }
    }

    /** @see org.apache.fop.fo.FONode#getNamespaceURI() */
    public String getNamespaceURI() {
        return PSExtensionElementMapping.NAMESPACE;
    }
    
    /**@see org.apache.fop.fo.FONode#getNormalNamespacePrefix() */
    public String getNormalNamespacePrefix() {
        return "fox";
    }

    /** @see org.apache.fop.fo.FONode#processNode */
    public void processNode(String elementName, Locator locator, 
                            Attributes attlist, PropertyList propertyList)
                                throws FOPException {
        String name = attlist.getValue("name");
        if (name != null && name.length() > 0) {
            setupCode.setName(name);
        }
    }

    /** @see org.apache.fop.fo.FONode#endOfNode() */
    protected void endOfNode() throws FOPException {
        super.endOfNode();
        String s = setupCode.getContent(); 
        if (s == null || s.length() == 0) {
            missingChildElementError("#PCDATA");
        }
    }
    
    /** @see org.apache.fop.fo.FONode#getExtensionAttachment() */
    public ExtensionAttachment getExtensionAttachment() {
        return this.setupCode;
    }

}