de.micromata.genome.gwiki.page.impl.i18n.GWikiMessageTag.java Source code

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Here is the source code for de.micromata.genome.gwiki.page.impl.i18n.GWikiMessageTag.java

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//
// Copyright (C) 2010-2016 Roger Rene Kommer & Micromata GmbH
//
// 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.
//

package de.micromata.genome.gwiki.page.impl.i18n;

import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.PageContext;

import org.apache.commons.lang3.StringUtils;
import org.apache.taglibs.standard.tag.rt.fmt.MessageTag;

/**
 * @author Roger Rene Kommer (r.kommer@micromata.de)
 * 
 */
public class GWikiMessageTag extends MessageTag {

    private static final long serialVersionUID = -6285073054785094424L;

    public static final String GWIKI_MESSAGE_ATTR = GWikiMessageTag.class.getCanonicalName()
            + ".GWIKI_MESSAGE_ATTR";

    public static final String GWIKI_MESSAGE_KEYM = GWikiMessageTag.class.getCanonicalName()
            + ".GWIKI_MESSAGE_KEYM";

    private String tagId;

    /**
     * true, false or class name
     */
    private String deco = "true";

    @SuppressWarnings("unchecked")
    public static void addI18NDomMap(PageContext pageContext, String messageKey, String domId) {
        Map<String, String> m = (Map<String, String>) pageContext.getRequest().getAttribute(GWIKI_MESSAGE_KEYM);
        if (m == null) {
            m = new HashMap<String, String>();
            pageContext.getRequest().setAttribute(GWIKI_MESSAGE_KEYM, m);
        }
        m.put(messageKey, domId);
    }

    @SuppressWarnings("unchecked")
    public static String getDomId4I18N(HttpServletRequest req, String key) {
        Map<String, String> m = (Map<String, String>) req.getAttribute(GWIKI_MESSAGE_KEYM);
        if (m == null) {
            return null;
        }
        return m.get(key);
    }

    @SuppressWarnings("unchecked")
    public static void renderPatchDom(PageContext pageContext) throws JspException {
        Object l = pageContext.getAttribute(GWIKI_MESSAGE_ATTR);
        if ((l instanceof List) == false) {
            return;
        }
        List<GWikiMessageTag> tags = (ArrayList<GWikiMessageTag>) l;
        if (tags.isEmpty() == true) {
            return;
        }
        StringBuilder sb = new StringBuilder();
        sb.append("<script type=\"text/javascript\">gwikiPatchI18NElements([");
        boolean first = true;
        for (GWikiMessageTag tag : tags) {
            if (first == false) {
                sb.append(", ");
            } else {
                first = false;
            }
            sb.append("{ id: '" + tag.getTagId() + "', i18nKey: '" + tag.getKeyAttrValue() + "'}");
        }
        sb.append("]);</script>");

        try {
            pageContext.getOut().write(sb.toString());
        } catch (IOException e) {
            throw new JspException(e);
        }

    }

    @SuppressWarnings("unchecked")
    protected void addToTagList() {
        Object l = pageContext.getAttribute(GWIKI_MESSAGE_ATTR);
        List<GWikiMessageTag> tags = null;
        if ((l instanceof List) == false) {
            tags = new ArrayList<GWikiMessageTag>();
            pageContext.setAttribute(GWIKI_MESSAGE_ATTR, tags);
        } else {
            tags = (List<GWikiMessageTag>) l;
        }
        tags.add(this);
    }

    @Override
    public int doEndTag() throws JspException {
        if (StringUtils.isEmpty(tagId) == true) {
            // TODO wrapp here
            return super.doEndTag();
        }

        return super.doEndTag();
    }

    public String getKeyAttrValue() {
        return keyAttrValue;
    }

    public String getTagId() {
        return tagId;
    }

    public void setTagId(String tagId) {
        this.tagId = tagId;
    }

    public String getDeco() {
        return deco;
    }

    public void setDeco(String deco) {
        this.deco = deco;
    }

}