SearchPage.java

/**
 * (C) Copyright 2013 Jabylon (http://www.jabylon.org) and others.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
/**
 *
 */
package org.jabylon.rest.ui.wicket.pages;

import javax.inject.Inject;
import javax.servlet.http.HttpServletResponse;

import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.StringResourceModel;
import org.apache.wicket.request.http.flow.AbortWithHttpErrorCodeException;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.util.string.StringValue;
import org.jabylon.index.properties.QueryService;
import org.jabylon.index.properties.SearchResult;
import org.jabylon.rest.ui.wicket.panels.SearchResultPanel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Johannes Utzig (jutzig.dev@googlemail.com)
 *
 */
public class SearchPage extends GenericPage<String> {

    public static final String MAX_HITS = "m";

    public static final String SEARCH_TERM = "t";

    public static final String SCOPE = "s";

    private static final long serialVersionUID = 1L;

    @Inject
    private QueryService queryService;

    private static final Logger logger = LoggerFactory.getLogger(SearchPage.class);

    public SearchPage(PageParameters parameters) {
        super(parameters);
        setStatelessHint(true);
    }

    @SuppressWarnings("rawtypes")
    @Override
    protected void construct() {
        super.construct();
        String term = getSearchTerm(getPageParameters());
        String scope = getSearchScope(getPageParameters());
        if(term==null)
            add(new Label("content",new StringResourceModel("no.term.entered.message", this, null)));
        else
        {
            SearchResult result = search(term,scope, getPageParameters().get(MAX_HITS).toInt(50));
            add(new SearchResultPanel("content",result,getPageParameters()));

        }
    }

    private SearchResult search(String term, String scope, int maxHits) {
        try {
            return queryService.search(term, scope);
        }
        catch (RuntimeException e) {
            throw new AbortWithHttpErrorCodeException(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
        }
    }

    private String getSearchTerm(PageParameters params) {
        StringValue value = params.get(SEARCH_TERM);
        if(value.isEmpty())
            return null;
        return value.toString();
    }

    private String getSearchScope(PageParameters params) {
        StringValue value = params.get(SCOPE);
        if(value.isEmpty())
            return null;
        return value.toString();
    }

    @Override
    protected IModel<String> createModel(PageParameters params) {
        StringValue value = params.get("uri");
        if(value.isEmpty())
            return null;
        return Model.of(value.toString());
    }

    @Override
    public boolean isBookmarkable() {
        return true;
    }

}