com.appslandia.plum.pebble.functions.MessagesFunction Maven / Gradle / Ivy

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// The MIT License (MIT)
// Copyright © 2015 AppsLandia. All rights reserved.

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

package com.appslandia.plum.pebble.functions;

import java.io.IOException;
import java.util.List;

import com.appslandia.common.base.StringWriter;
import com.appslandia.common.utils.CollectionUtils;
import com.appslandia.common.utils.XmlEscaper;
import com.appslandia.plum.base.Message;
import com.appslandia.plum.base.Messages;
import com.appslandia.plum.pebble.DynPebbleFunction;
import com.appslandia.plum.pebble.TemplateEvaluationContext;
import com.appslandia.plum.utils.HtmlUtils;

/**
 *
 * @author Loc Ha
 *
 */
public class MessagesFunction extends DynPebbleFunction {

  @Override
  public String getDescription() {
    return "variables: type*, divClass, listClass, itemClass";
  }

  @Override
  protected Object doExecute(TemplateEvaluationContext context, int lineNumber) throws IOException {
    List messages = (Messages) context.getRequest().getAttribute(Messages.REQUEST_ATTRIBUTE_ID);
    if (!CollectionUtils.hasElements(messages)) {
      return null;
    }

    String type = context.getRequiredArgument("type");
    String divClass = context.getRequiredArgument("divClass");
    String listClass = context.getArgument("listClass");
    String itemClass = context.getArgument("itemClass");

    int typeId = Message.parseType(type);

    List msgs = messages.stream().filter(m -> m.getType() == typeId).toList();
    if (msgs.isEmpty()) {
      return null;
    }
    StringWriter out = new StringWriter(msgs.size() * 128);

    out.write("");

    out.write("");

    for (Message msg : msgs) {
      out.write(System.lineSeparator());

      out.write("");

      if (msg.isEscXml()) {
        XmlEscaper.escapeXml(out, msg.getText());
      } else {
        out.write(msg.getText());
      }
      out.write("");
    }

    out.write(System.lineSeparator());
    out.write("");
    out.write("

");
    return out.toString();
  }
}