de.mpg.imeji.presentation.util.UrlHelper.java Source code

Introduction

Here is the source code for de.mpg.imeji.presentation.util.UrlHelper.java

Source

/**
 * License: src/main/resources/license/escidoc.license
 */

package de.mpg.imeji.presentation.util;

import java.net.URI;

import javax.faces.context.FacesContext;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.GetMethod;

import de.mpg.imeji.presentation.beans.SessionBean;

public class UrlHelper {
    public static String getParameterValue(String parameterName) {
        return FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap().get(parameterName);
    }

    public static boolean getParameterBoolean(String parameterName) {
        String str = FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap()
                .get(parameterName);
        if ("1".equals(str)) {
            return true;
        }
        return false;
    }

    public static boolean isValidURI(URI uri) {
        try {
            HttpClient client = new HttpClient();
            GetMethod method = new GetMethod(uri.toString());
            client.executeMethod(method);
            return true;
        } catch (Exception e) {
            BeanHelper.error(((SessionBean) BeanHelper.getSessionBean(SessionBean.class)).getMessage("error")
                    + " (Non valid URL): " + e);
        }
        return false;
    }
}