| <?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>MapContext.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">Apache Shiro :: Test Coverage</a> > <a href="../index.html" class="el_bundle">shiro-core</a> > <a href="index.source.html" class="el_package">org.apache.shiro.util</a> > <span class="el_source">MapContext.java</span></div><h1>MapContext.java</h1><pre class="source lang-java linenums">/* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| package org.apache.shiro.util; |
| |
| import java.io.Serializable; |
| import java.util.*; |
| |
| /** |
| * A {@code MapContext} provides a common base for context-based data storage in a {@link Map}. Type-safe attribute |
| * retrieval is provided for subclasses with the {@link #getTypedValue(String, Class)} method. |
| * |
| * @see org.apache.shiro.subject.SubjectContext SubjectContext |
| * @see org.apache.shiro.session.mgt.SessionContext SessionContext |
| * @since 1.0 |
| */ |
| public class MapContext implements Map<String, Object>, Serializable { |
| |
| private static final long serialVersionUID = 5373399119017820322L; |
| |
| private final Map<String, Object> backingMap; |
| |
| <span class="fc" id="L38"> public MapContext() {</span> |
| <span class="fc" id="L39"> this.backingMap = new HashMap<String, Object>();</span> |
| <span class="fc" id="L40"> }</span> |
| |
| public MapContext(Map<String, Object> map) { |
| <span class="fc" id="L43"> this();</span> |
| <span class="pc bpc" id="L44" title="1 of 2 branches missed."> if (!CollectionUtils.isEmpty(map)) {</span> |
| <span class="fc" id="L45"> this.backingMap.putAll(map);</span> |
| } |
| <span class="fc" id="L47"> }</span> |
| |
| /** |
| * Performs a {@link #get get} operation but additionally ensures that the value returned is of the specified |
| * {@code type}. If there is no value, {@code null} is returned. |
| * |
| * @param key the attribute key to look up a value |
| * @param type the expected type of the value |
| * @param <E> the expected type of the value |
| * @return the typed value or {@code null} if the attribute does not exist. |
| */ |
| @SuppressWarnings({"unchecked"}) |
| protected <E> E getTypedValue(String key, Class<E> type) { |
| <span class="fc" id="L60"> E found = null;</span> |
| <span class="fc" id="L61"> Object o = backingMap.get(key);</span> |
| <span class="fc bfc" id="L62" title="All 2 branches covered."> if (o != null) {</span> |
| <span class="pc bpc" id="L63" title="1 of 2 branches missed."> if (!type.isAssignableFrom(o.getClass())) {</span> |
| <span class="nc" id="L64"> String msg = "Invalid object found in SubjectContext Map under key [" + key + "]. Expected type " +</span> |
| <span class="nc" id="L65"> "was [" + type.getName() + "], but the object under that key is of type " +</span> |
| <span class="nc" id="L66"> "[" + o.getClass().getName() + "].";</span> |
| <span class="nc" id="L67"> throw new IllegalArgumentException(msg);</span> |
| } |
| <span class="fc" id="L69"> found = (E) o;</span> |
| } |
| <span class="fc" id="L71"> return found;</span> |
| } |
| |
| /** |
| * Places a value in this context map under the given key only if the given {@code value} argument is not null. |
| * |
| * @param key the attribute key under which the non-null value will be stored |
| * @param value the non-null value to store. If {@code null}, this method does nothing and returns immediately. |
| */ |
| protected void nullSafePut(String key, Object value) { |
| <span class="pc bpc" id="L81" title="1 of 2 branches missed."> if (value != null) {</span> |
| <span class="fc" id="L82"> put(key, value);</span> |
| } |
| <span class="fc" id="L84"> }</span> |
| |
| public int size() { |
| <span class="fc" id="L87"> return backingMap.size();</span> |
| } |
| |
| public boolean isEmpty() { |
| <span class="fc" id="L91"> return backingMap.isEmpty();</span> |
| } |
| |
| public boolean containsKey(Object o) { |
| <span class="nc" id="L95"> return backingMap.containsKey(o);</span> |
| } |
| |
| public boolean containsValue(Object o) { |
| <span class="nc" id="L99"> return backingMap.containsValue(o);</span> |
| } |
| |
| public Object get(Object o) { |
| <span class="nc" id="L103"> return backingMap.get(o);</span> |
| } |
| |
| public Object put(String s, Object o) { |
| <span class="fc" id="L107"> return backingMap.put(s, o);</span> |
| } |
| |
| public Object remove(Object o) { |
| <span class="nc" id="L111"> return backingMap.remove(o);</span> |
| } |
| |
| public void putAll(Map<? extends String, ?> map) { |
| <span class="nc" id="L115"> backingMap.putAll(map);</span> |
| <span class="nc" id="L116"> }</span> |
| |
| public void clear() { |
| <span class="nc" id="L119"> backingMap.clear();</span> |
| <span class="nc" id="L120"> }</span> |
| |
| public Set<String> keySet() { |
| <span class="nc" id="L123"> return Collections.unmodifiableSet(backingMap.keySet());</span> |
| } |
| |
| public Collection<Object> values() { |
| <span class="nc" id="L127"> return Collections.unmodifiableCollection(backingMap.values());</span> |
| } |
| |
| public Set<Entry<String, Object>> entrySet() { |
| <span class="fc" id="L131"> return Collections.unmodifiableSet(backingMap.entrySet());</span> |
| } |
| } |
| </pre><div class="footer"><span class="right">Created with <a href="http://www.jacoco.org/jacoco">JaCoCo</a> 0.8.3.201901230119</span></div></body></html> |
