<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../../jacoco-resources/report.gif" type="image/gif"/><title>HttpStatusException.java</title><link rel="stylesheet" href="../../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../../index.html" class="el_report">NorthernWind :: Frontend :: Components :: HTML Template</a> > <a href="../index.html" class="el_bundle">it-tidalwave-northernwind-core</a> > <a href="index.source.html" class="el_package">it.tidalwave.northernwind.core.model</a> > <span class="el_source">HttpStatusException.java</span></div><h1>HttpStatusException.java</h1><pre class="source lang-java linenums">/*
* #%L
* *********************************************************************************************************************
*
* NorthernWind - lightweight CMS
* http://northernwind.tidalwave.it - git clone https://bitbucket.org/tidalwave/northernwind-src.git
* %%
* Copyright (C) 2011 - 2023 Tidalwave s.a.s. (http://tidalwave.it)
* %%
* *********************************************************************************************************************
*
* 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.
*
* *********************************************************************************************************************
*
*
* *********************************************************************************************************************
* #L%
*/
package it.tidalwave.northernwind.core.model;
import javax.annotation.Nonnull;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import lombok.Getter;
import lombok.ToString;
import static javax.servlet.http.HttpServletResponse.*;
/***********************************************************************************************************************
*
* An exceptional response representing a situation that should be reported to the client with a specific HTTP status
* code. Note that this class doesn't necessarily represent an error, but it could be e.g. a redirect and such. This
* class can also carry headers to be included as part of the response
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
<span class="fc" id="L47">@ToString</span>
public class HttpStatusException extends Exception
{
/** Status codes that don't imply an error. */
<span class="fc" id="L51"> private static final List<Integer> GOOD_CODES = List.of(SC_FOUND, SC_MOVED_PERMANENTLY, SC_MOVED_TEMPORARILY);</span>
<span class="fc" id="L53"> @Getter</span>
private final int httpStatus;
<span class="fc" id="L56"> @Getter</span>
private final Map<String, String> headers;
/*******************************************************************************************************************
*
* Creates an exception representing a temporary redirect.
*
* @param site the {@link Site}
* @param target the target to redirect to
* @return the exception
*
******************************************************************************************************************/
@Nonnull
public static HttpStatusException temporaryRedirect (@Nonnull final Site site, @Nonnull final String target)
{
// FIXME: inject Site
inject Site
<span class="nc" id="L72"> return new HttpStatusException(SC_MOVED_TEMPORARILY).withHeader("Location", createUrl(site, target));</span>
}
/*******************************************************************************************************************
*
* Creates an exception representing a permanent redirect.
*
* @param site the {@link Site}
* @param target the target to redirect to
* @return the exception
*
******************************************************************************************************************/
@Nonnull
public static HttpStatusException permanentRedirect (@Nonnull final Site site, @Nonnull final String target)
{
// FIXME: inject Site
<span class="nc" id="L88"> return new HttpStatusException(SC_MOVED_PERMANENTLY).withHeader("Location", createUrl(site, target));</span>
}
/*******************************************************************************************************************
*
* Creates an instance with the given HTTP status.
*
* @param httpStatus the status
*
******************************************************************************************************************/
public HttpStatusException (final int httpStatus)
{
<span class="fc" id="L100"> this(httpStatus, Collections.emptyMap());</span>
<span class="fc" id="L101"> }</span>
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
private HttpStatusException (final int httpStatus, @Nonnull final Map<String, String> headers)
{
<span class="fc" id="L109"> super(String.format("httpStatus=%d, headers=%s", httpStatus, headers));</span>
<span class="fc" id="L110"> this.httpStatus = httpStatus;</span>
<span class="fc" id="L111"> this.headers = headers;</span>
<span class="fc" id="L112"> }</span>
/*******************************************************************************************************************
*
* Creates a clone with the given header.
*
* @param name the header name
* @param value the header value
* @return the clone
*
******************************************************************************************************************/
@Nonnull
public HttpStatusException withHeader (@Nonnull final String name, @Nonnull final String value)
{
<span class="nc" id="L126"> final Map<String, String> newHeaders = new HashMap<>(headers);</span>
<span class="nc" id="L127"> newHeaders.put(name, value);</span>
<span class="nc" id="L128"> return new HttpStatusException(httpStatus, newHeaders);</span>
}
/*******************************************************************************************************************
*
* Return {@code true} whether this exception represents an error.
*
* @return {@code true} in case of error
*
******************************************************************************************************************/
public boolean isError()
{
<span class="fc bfc" id="L140" title="All 2 branches covered."> return !GOOD_CODES.contains(httpStatus);</span>
}
/*******************************************************************************************************************
*
* @param site
* @param target
* @return
*
******************************************************************************************************************/
@Nonnull
private static String createUrl (@Nonnull final Site site, @Nonnull final String target)
{
<span class="nc bnc" id="L153" title="All 4 branches missed."> return target.startsWith("http://") || target.startsWith("https://")</span>
<span class="nc" id="L154"> ? target</span>
<span class="nc" id="L155"> : site.createLink(ResourcePath.of(target));</span>
}
}
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