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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.log4j.chainsaw.help</a></div> |
| <h2 title="Class HelpManager" class="title">Class HelpManager</h2> |
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| <pre>public final class <span class="typeNameLabel">HelpManager</span> |
| extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></pre> |
| <div class="block">Singleton help manager where objects can register to display |
| Help for something, an independant viewer can register to |
| be notified when the requested Help URL changes and can display |
| it appropriately. This class effectively decouples the help requester |
| from the help implementation (if any!)</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd>Paul Smith <psmith@apache.org></dd> |
| </dl> |
| </li> |
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| <!-- ========== METHOD SUMMARY =========== --> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addPropertyChangeListener(java.beans.PropertyChangeListener)">addPropertyChangeListener</a></span>​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/java/beans/PropertyChangeListener.html?is-external=true" title="class or interface in java.beans" class="externalLink">PropertyChangeListener</a> listener)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addPropertyChangeListener(java.lang.String,java.beans.PropertyChangeListener)">addPropertyChangeListener</a></span>​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> propertyName, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/java/beans/PropertyChangeListener.html?is-external=true" title="class or interface in java.beans" class="externalLink">PropertyChangeListener</a> listener)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#firePropertyChange(java.beans.PropertyChangeEvent)">firePropertyChange</a></span>​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/java/beans/PropertyChangeEvent.html?is-external=true" title="class or interface in java.beans" class="externalLink">PropertyChangeEvent</a> evt)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#firePropertyChange(java.lang.String,boolean,boolean)">firePropertyChange</a></span>​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> propertyName, |
| boolean oldValue, |
| boolean newValue)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#firePropertyChange(java.lang.String,int,int)">firePropertyChange</a></span>​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> propertyName, |
| int oldValue, |
| int newValue)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#firePropertyChange(java.lang.String,java.lang.Object,java.lang.Object)">firePropertyChange</a></span>​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> propertyName, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> oldValue, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> newValue)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/net/URL.html?is-external=true" title="class or interface in java.net" class="externalLink">URL</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getHelpForClass(java.lang.Class)">getHelpForClass</a></span>​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a> c)</code></th> |
| <td class="colLast"> |
| <div class="block">Determines the most appropriate Help resource for a particular class |
| or returns ChainsawConstants.URL_PAGE_NOT_FOUND if there is no resource located.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static <a href="HelpManager.html" title="class in org.apache.log4j.chainsaw.help">HelpManager</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getInstance()">getInstance</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#removePropertyChangeListener(java.beans.PropertyChangeListener)">removePropertyChangeListener</a></span>​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/java/beans/PropertyChangeListener.html?is-external=true" title="class or interface in java.beans" class="externalLink">PropertyChangeListener</a> listener)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#removePropertyChangeListener(java.lang.String,java.beans.PropertyChangeListener)">removePropertyChangeListener</a></span>​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> propertyName, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/java/beans/PropertyChangeListener.html?is-external=true" title="class or interface in java.beans" class="externalLink">PropertyChangeListener</a> listener)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setHelpURL(java.net.URL)">setHelpURL</a></span>​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/net/URL.html?is-external=true" title="class or interface in java.net" class="externalLink">URL</a> helpURL)</code></th> |
| <td class="colLast"> |
| <div class="block">The current Help URL that should be displayed, and is |
| a PropertyChangeListener supported property.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#showHelpForClass(java.lang.Class)">showHelpForClass</a></span>​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a> c)</code></th> |
| <td class="colLast"> |
| <div class="block">Given a class, and that it belongs within the org.apache.log4j project, |
| sets the URL to the JavaDoc for that class.</div> |
| </td> |
| </tr> |
| </table> |
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| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></li> |
| </ul> |
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| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <li class="blockList"><a id="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a id="setHelpURL(java.net.URL)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setHelpURL</h4> |
| <pre class="methodSignature">public void setHelpURL​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/net/URL.html?is-external=true" title="class or interface in java.net" class="externalLink">URL</a> helpURL)</pre> |
| <div class="block">The current Help URL that should be displayed, and is |
| a PropertyChangeListener supported property. |
| <p> |
| This method ALWAYS fires property change events |
| even if the value is the same (the oldvalue |
| of the event will be null)</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>helpURL</code> - </dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="addPropertyChangeListener(java.beans.PropertyChangeListener)"> |
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| <h4>addPropertyChangeListener</h4> |
| <pre class="methodSignature">public void addPropertyChangeListener​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/java/beans/PropertyChangeListener.html?is-external=true" title="class or interface in java.beans" class="externalLink">PropertyChangeListener</a> listener)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>listener</code> - </dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="addPropertyChangeListener(java.lang.String,java.beans.PropertyChangeListener)"> |
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| <h4>addPropertyChangeListener</h4> |
| <pre class="methodSignature">public void addPropertyChangeListener​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> propertyName, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/java/beans/PropertyChangeListener.html?is-external=true" title="class or interface in java.beans" class="externalLink">PropertyChangeListener</a> listener)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>propertyName</code> - </dd> |
| <dd><code>listener</code> - </dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>firePropertyChange</h4> |
| <pre class="methodSignature">public void firePropertyChange​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/java/beans/PropertyChangeEvent.html?is-external=true" title="class or interface in java.beans" class="externalLink">PropertyChangeEvent</a> evt)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>evt</code> - </dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="firePropertyChange(java.lang.String,boolean,boolean)"> |
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| <h4>firePropertyChange</h4> |
| <pre class="methodSignature">public void firePropertyChange​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> propertyName, |
| boolean oldValue, |
| boolean newValue)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>propertyName</code> - </dd> |
| <dd><code>oldValue</code> - </dd> |
| <dd><code>newValue</code> - </dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="firePropertyChange(java.lang.String,int,int)"> |
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| <h4>firePropertyChange</h4> |
| <pre class="methodSignature">public void firePropertyChange​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> propertyName, |
| int oldValue, |
| int newValue)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>propertyName</code> - </dd> |
| <dd><code>oldValue</code> - </dd> |
| <dd><code>newValue</code> - </dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="firePropertyChange(java.lang.String,java.lang.Object,java.lang.Object)"> |
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| <h4>firePropertyChange</h4> |
| <pre class="methodSignature">public void firePropertyChange​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> propertyName, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> oldValue, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> newValue)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>propertyName</code> - </dd> |
| <dd><code>oldValue</code> - </dd> |
| <dd><code>newValue</code> - </dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>removePropertyChangeListener</h4> |
| <pre class="methodSignature">public void removePropertyChangeListener​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/java/beans/PropertyChangeListener.html?is-external=true" title="class or interface in java.beans" class="externalLink">PropertyChangeListener</a> listener)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>listener</code> - </dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="removePropertyChangeListener(java.lang.String,java.beans.PropertyChangeListener)"> |
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| <ul class="blockList"> |
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| <h4>removePropertyChangeListener</h4> |
| <pre class="methodSignature">public void removePropertyChangeListener​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> propertyName, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/java/beans/PropertyChangeListener.html?is-external=true" title="class or interface in java.beans" class="externalLink">PropertyChangeListener</a> listener)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>propertyName</code> - </dd> |
| <dd><code>listener</code> - </dd> |
| </dl> |
| </li> |
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| <a id="getInstance()"> |
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| <h4>getInstance</h4> |
| <pre class="methodSignature">public static <a href="HelpManager.html" title="class in org.apache.log4j.chainsaw.help">HelpManager</a> getInstance()</pre> |
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| <a id="showHelpForClass(java.lang.Class)"> |
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| <h4>showHelpForClass</h4> |
| <pre class="methodSignature">public void showHelpForClass​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a> c)</pre> |
| <div class="block">Given a class, and that it belongs within the org.apache.log4j project, |
| sets the URL to the JavaDoc for that class.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - </dd> |
| </dl> |
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| <h4>getHelpForClass</h4> |
| <pre class="methodSignature">public <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/net/URL.html?is-external=true" title="class or interface in java.net" class="externalLink">URL</a> getHelpForClass​(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a> c)</pre> |
| <div class="block">Determines the most appropriate Help resource for a particular class |
| or returns ChainsawConstants.URL_PAGE_NOT_FOUND if there is no resource located.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>URL</dd> |
| </dl> |
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