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JarLoader (Amic utility classes)
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org.amic.util.jar</FONT>
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Class JarLoader</H2>
<PRE>
java.lang.Object
|
+--java.lang.ClassLoader
|
+--java.security.SecureClassLoader
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+--java.net.URLClassLoader
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+--<B>org.amic.util.jar.JarLoader</B>
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<DT>public class <B>JarLoader</B><DT>extends java.net.URLClassLoader</DL>
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A class loader for loading jar files, both local and remote.
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<TD><CODE><B><A HREF="../../../../org/amic/util/jar/JarLoader.html#JarLoader(java.net.URL)">JarLoader</A></B>(java.net.URL url)</CODE>
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Creates a new JarLoader for the specified url.</TD>
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<CODE> java.util.jar.Attributes</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/amic/util/jar/JarLoader.html#getMainAttributes()">getMainAttributes</A></B>()</CODE>
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Retrieves the main attributes from the jar file.</TD>
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<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/amic/util/jar/JarLoader.html#getMainClassName()">getMainClassName</A></B>()</CODE>
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Returns the name of the jar file main class, or null if no "Main-Class" manifest attributes was defined.</TD>
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<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/amic/util/jar/JarLoader.html#getVersion()">getVersion</A></B>()</CODE>
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Returns the version of the jar file, or null if no "Signature-Version" manifest attributes was defined.</TD>
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<CODE> java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/amic/util/jar/JarLoader.html#invokeClass(java.lang.String, java.lang.String, java.lang.Object[])">invokeClass</A></B>(java.lang.String name, java.lang.String method, java.lang.Object[] args)</CODE>
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Invokes the application in this jar file given the name of the main class and an array of arguments. </TD>
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<TD><B>Methods inherited from class java.net.URLClassLoader</B></TD>
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<TD><CODE>addURL, definePackage, findClass, findResource, findResources, getPermissions, getURLs, newInstance, newInstance</CODE></TD>
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<TD><B>Methods inherited from class java.security.SecureClassLoader</B></TD>
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<TD><CODE>defineClass</CODE></TD>
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<TD><B>Methods inherited from class java.lang.ClassLoader</B></TD>
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<TD><CODE>clearAssertionStatus, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, findSystemClass, getPackage, getPackages, getParent, getResource, getResourceAsStream, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, loadClass, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners</CODE></TD>
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<TD><B>Methods inherited from class java.lang.Object</B></TD>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<A NAME="JarLoader(java.net.URL)"><!-- --></A><H3>
JarLoader</H3>
<PRE>
public <B>JarLoader</B>(java.net.URL url)</PRE>
<DL>
<DD>Creates a new JarLoader for the specified url.
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<DT><B>Parameters:</B><DD><CODE>url</CODE> - the url of the jar file</DL>
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<A NAME="getMainAttributes()"><!-- --></A><H3>
getMainAttributes</H3>
<PRE>
public java.util.jar.Attributes <B>getMainAttributes</B>() throws java.io.IOException</PRE>
<DL>
<DD>Retrieves the main attributes from the jar file.
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<DD><DL>
<DD><CODE>java.io.IOException</CODE></DL>
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<A NAME="getMainClassName()"><!-- --></A><H3>
getMainClassName</H3>
<PRE>
public java.lang.String <B>getMainClassName</B>() throws java.io.IOException</PRE>
<DL>
<DD>Returns the name of the jar file main class, or null if no "Main-Class" manifest attributes was defined.
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<DD><CODE>java.io.IOException</CODE></DL>
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<A NAME="getVersion()"><!-- --></A><H3>
getVersion</H3>
<PRE>
public java.lang.String <B>getVersion</B>() throws java.io.IOException</PRE>
<DL>
<DD>Returns the version of the jar file, or null if no "Signature-Version" manifest attributes was defined.
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<DD><DL>
<DD><CODE>java.io.IOException</CODE></DL>
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<A NAME="invokeClass(java.lang.String, java.lang.String, java.lang.Object[])"><!-- --></A><H3>
invokeClass</H3>
<PRE>
public java.lang.Object <B>invokeClass</B>(java.lang.String name, java.lang.String method, java.lang.Object[] args) throws java.lang.ClassNotFoundException, java.lang.NoSuchMethodException, java.lang.reflect.InvocationTargetException</PRE>
<DL>
<DD>Invokes the application in this jar file given the name of the main class and an array of arguments. The class must define a static method "main" which takes an array of String arguemtns and is of return type "void".
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - the name of the class<DD><CODE>method</CODE> - the name of the method<DD><CODE>args</CODE> - the arguments for the application<DT><B>Throws:</B><DD><CODE>java.lang.ClassNotFoundException</CODE> - if the specified class could not be found<DD><CODE>java.lang.NoSuchMethodException</CODE> - if the specified class does not contain a "main" method<DD><CODE>java.lang.reflect.InvocationTargetException</CODE> - if the application raised an exception</DL>
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<font size=-1>Contact me at <a href='mailto:lluis@turro.org'>Lluis Turro</a></font>
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