package com.atlassian.labs.speakeasy.manager.convention;
import com.atlassian.labs.speakeasy.manager.PluginOperationFailedException;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.StringUtils;
import org.dom4j.DocumentFactory;
import org.dom4j.Element;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.springframework.stereotype.Component;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import static com.google.common.collect.Lists.newArrayList;
import static java.util.Collections.emptyList;
/**
*
*/
@Component
public class JsonToElementParser
{
public List<Element> createWebItems(InputStream in)
{
List<Element> items = newArrayList();
DocumentFactory factory = DocumentFactory.getInstance();
try
{
if (in == null)
{
return emptyList();
}
final String content = StringUtils.join(IOUtils.readLines(in), "\n");
JSONArray root = new JSONArray(stripComments(content));
for (int x=0; x<root.length(); x++)
{
Element element = factory.createElement("scoped-web-item");
element.addAttribute("key", "item-" + x);
JSONObject item = root.getJSONObject(x);
if (!item.isNull("section"))
{
element.addAttribute("section", item.getString("section"));
}
if (!item.isNull("label"))
{
element.addElement("label").setText(item.getString("label"));
}
if (hasLink(item))
{
Element link = element.addElement("link");
link.setText(getLink(item));
if (!item.isNull("cssId"))
{
link.addAttribute("linkId", item.getString("cssId"));
}
}
if (!item.isNull("cssName"))
{
element.addElement("styleClass").setText(item.getString("cssName"));
}
if (!item.isNull("weight"))
{
element.addAttribute("weight", item.getString("weight"));
}
if (!item.isNull("tooltip"))
{
element.addElement("tooltip").setText(item.getString("tooltip"));
}
if (!item.isNull("icon"))
{
JSONObject iconJson = item.getJSONObject("icon");
Element iconE = element.addElement("icon");
if (!iconJson.isNull("width"))
{
iconE.addAttribute("width", iconJson.getString("width"));
}
if (!iconJson.isNull("height"))
{
iconE.addAttribute("height", iconJson.getString("height"));
}
if (hasLink(iconJson))
{
iconE.addElement("link").setText(getLink(iconJson));
}
}
items.add(element);
}
}
catch (IOException e)
{
throw new PluginOperationFailedException("Unable to read ui/web-items.json", e, null);
}
catch (JSONException e)
{
throw new PluginOperationFailedException("Unable to parse ui/web-items.json: " + e.getMessage(), e, null);
}
finally
{
IOUtils.closeQuietly(in);
}
return items;
}
private String getLink(JSONObject item) throws JSONException
{
String url = !item.isNull("url") ? item.getString("url") : !item.isNull("link") ? item.getString("link") : null;
if (url == null)
{
throw new IllegalArgumentException("Link url must be specified");
}
return url;
}
private boolean hasLink(JSONObject item)
{
return !item.isNull("url") || !item.isNull("link");
}
private String stripComments(String content)
{
return content.replaceAll("\\s*/\\*.*\\*/", "");
}
}