it.cilea.osd.jdyna.editor.FilePropertyEditor.java Source code

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Here is the source code for it.cilea.osd.jdyna.editor.FilePropertyEditor.java

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/*
 * JDynA, Dynamic Metadata Management for Java Domain Object
 * 
 *  Copyright (c) 2008, CILEA and third-party contributors as
 *  indicated by the @author tags or express copyright attribution
 *  statements applied by the authors.  All third-party contributions are
 *  distributed under license by CILEA.
 * 
 *  This copyrighted material is made available to anyone wishing to use, modify,
 *  copy, or redistribute it subject to the terms and conditions of the GNU
 *  Lesser General Public License v3 or any later version, as published 
 *  by the Free Software Foundation, Inc. <http://fsf.org/>.
 * 
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 *  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 *  for more details.
 * 
 *   You should have received a copy of the GNU Lesser General Public License
 *   along with this distribution; if not, write to:
 *   Free Software Foundation, Inc.
 *   51 Franklin Street, Fifth Floor
 *   Boston, MA  02110-1301  USA
 */
package it.cilea.osd.jdyna.editor;

import it.cilea.osd.jdyna.dto.ValoreDTO;
import it.cilea.osd.jdyna.value.EmbeddedFile;
import it.cilea.osd.jdyna.widget.WidgetFile;

import java.io.IOException;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.web.multipart.MultipartFile;

public class FilePropertyEditor<WF extends WidgetFile> extends java.beans.PropertyEditorSupport {

    /** The logger */
    private final static Log log = LogFactory.getLog(FilePropertyEditor.class);

    private WF widgetFile;

    private String externalAuthority;
    private String internalAuthority;

    public FilePropertyEditor(WF widgetFile) {
        this.widgetFile = widgetFile;
    }

    @Override
    public void setAsText(String text) throws IllegalArgumentException {
        log.debug("FilePropertyEditor - setAsText: " + text);
        // text: 'description|||link'
        if (StringUtils.isEmpty(text)) {
            setValue(null);
        } else {
            String[] splitted = text.split("\\|\\|\\|");
            if (splitted.length < 7) {
                setValue(null);
                log.error("Invalid text string for file: " + text);
                return;
            }
            EmbeddedFile file = new EmbeddedFile();

            file.setValueFile(splitted.length > 3 ? splitted[3] : null);
            file.setExtFile(splitted.length > 4 ? splitted[4] : null);
            file.setMimeFile(splitted.length > 5 ? splitted[5] : null);
            file.setFolderFile(
                    widgetFile.getCustomFolderByAuthority(getExternalAuthority(), getInternalAuthority()));
            if (splitted.length == 8 && Boolean.parseBoolean(splitted[7])) {
                widgetFile.remove(file);
                setValue(null);
            } else {
                setValue(file);
            }
        }
    }

    @Override
    public String getAsText() {
        log.debug("send call to FileConverter - getAsText");

        EmbeddedFile valore = (EmbeddedFile) getValue();

        if (valore == null)
            return "";
        log.debug("isDeletable|||basePath|||servletPath|||valueFile|||ext|||mime|||folderFile");
        log.debug("isDeletable = " + valore.getValueFile() != null ? true : false);
        log.debug("basePath = " + widgetFile.getBasePath());
        log.debug("servletPath = " + widgetFile.getServletPath());
        log.debug("valueFile = " + valore.getValueFile());
        log.debug("ext = " + valore.getExtFile());
        log.debug("mime = " + valore.getMimeFile());
        log.debug("folderFile = " + valore.getFolderFile());

        return valore == null ? "false|||"
                : (valore.getValueFile() != null ? true : false) + "|||" + widgetFile.getBasePath() + "|||"
                        + widgetFile.getServletPath() + "|||"
                        + (valore.getValueFile() != null ? valore.getValueFile() : "") + "|||"
                        + (valore.getExtFile() != null ? valore.getExtFile() : "") + "|||"
                        + (valore.getMimeFile() != null ? valore.getMimeFile() : "") + "|||"
                        + (valore.getFolderFile() != null ? valore.getFolderFile() : "");
    }

    @Override
    public void setValue(Object value) {
        if (value instanceof MultipartFile) {
            MultipartFile multipart = (MultipartFile) value;
            if (multipart.getSize() > 0) {
                try {
                    EmbeddedFile file = widgetFile.load(multipart.getInputStream(), multipart.getOriginalFilename(),
                            multipart.getContentType(), getExternalAuthority(), getInternalAuthority());
                    super.setValue(new ValoreDTO(file));
                } catch (IOException ex) {
                    log.warn("Cannot read contents of multipart file", ex);
                    throw new IllegalArgumentException(
                            "Cannot read contents of multipart file: " + ex.getMessage());

                }
            } else {
                setValue(null);
            }
        } else {
            super.setValue(value);
        }
    }

    public void setExternalAuthority(String externalAuthority) {
        this.externalAuthority = externalAuthority;
    }

    public String getExternalAuthority() {
        return externalAuthority;
    }

    public void setInternalAuthority(String internalAuthority) {
        this.internalAuthority = internalAuthority;
    }

    public String getInternalAuthority() {
        return internalAuthority;
    }

}