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471076 Apache jspc ignores empty list of files to precompile and scans anyway
This commit is contained in:
Jan Bartel
parent
e8eed798ab
commit
8c72d04415
@ -26,7 +26,6 @@ import java.io.FileWriter;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.net.MalformedURLException;
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import java.net.URI;
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import java.net.URL;
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import java.net.URLClassLoader;
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import java.util.ArrayList;
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@ -35,7 +34,6 @@ import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Set;
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import java.util.regex.Pattern;
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import org.apache.jasper.JspC;
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import org.apache.jasper.servlet.JspCServletContext;
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@ -50,18 +48,14 @@ import org.apache.tomcat.util.scan.StandardJarScanner;
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import org.codehaus.plexus.util.FileUtils;
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import org.codehaus.plexus.util.StringUtils;
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import org.eclipse.jetty.util.IO;
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import org.eclipse.jetty.util.PatternMatcher;
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import org.eclipse.jetty.util.resource.Resource;
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/**
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* This goal will compile jsps for a webapp so that they can be included in a
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* war.
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* <p>
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* At runtime, the plugin will use the jsp2.0 jspc compiler if you are running
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* on a 1.4 or lower jvm. If you are using a 1.5 jvm, then the jsp2.1 compiler
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* will be selected. (this is the same behaviour as the <a
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* href="https://www.eclipse.org/jetty/documentation/current/maven-and-jetty.html">jetty plugin</a> for executing
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* webapps).
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* At runtime, the plugin will use the jspc compiler to precompile jsps and tags.
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* </p>
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* <p>
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* Note that the same java compiler will be used as for on-the-fly compiled
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* jsps, which will be the Eclipse java compiler.
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@ -69,7 +63,7 @@ import org.eclipse.jetty.util.resource.Resource;
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* See <a
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* href="https://www.eclipse.org/jetty/documentation/current/jetty-jspc-maven-plugin.html">Usage
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* Guide</a> for instructions on using this plugin.
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*
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* </p>
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* @goal jspc
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* @phase process-classes
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* @requiresDependencyResolution compile+runtime
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@ -353,16 +347,25 @@ public class JspcMojo extends AbstractMojo
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// JspC#setExtensions() does not exist, so
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// always set concrete list of files that will be processed.
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String jspFiles = getJspFiles(webAppSourceDirectory);
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getLog().info("Compiling "+jspFiles);
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getLog().info("Includes="+includes);
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getLog().info("Excludes="+excludes);
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jspc.setJspFiles(jspFiles);
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try
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{
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if (jspFiles == null | jspFiles.equals(""))
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{
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getLog().info("No files selected to precompile");
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}
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else
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{
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getLog().info("Compiling "+jspFiles+" from includes="+includes+" excludes="+excludes);
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jspc.setJspFiles(jspFiles);
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jspc.execute();
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}
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}
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finally
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{
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getLog().info("Files selected to precompile: " + jspFiles);
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jspc.execute();
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Thread.currentThread().setContextClassLoader(currentClassLoader);
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Thread.currentThread().setContextClassLoader(currentClassLoader);
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}
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}
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private String getJspFiles(String webAppSourceDirectory)
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@ -438,58 +441,63 @@ public class JspcMojo extends AbstractMojo
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return;
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}
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File fragmentWebXml = new File(webXmlFragment);
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if (!fragmentWebXml.exists())
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File fragmentWebXml = new File(webXmlFragment);
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File mergedWebXml = new File(fragmentWebXml.getParentFile(), "web.xml");
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try (BufferedReader webXmlReader = new BufferedReader(new FileReader(webXml));
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PrintWriter mergedWebXmlWriter = new PrintWriter(new FileWriter(mergedWebXml)))
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{
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getLog().info("No fragment web.xml file generated");
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}
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File mergedWebXml = new File(fragmentWebXml.getParentFile(),
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"web.xml");
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try (BufferedReader webXmlReader = new BufferedReader(new FileReader(
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webXml));
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PrintWriter mergedWebXmlWriter = new PrintWriter(new FileWriter(
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mergedWebXml))) {
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// read up to the insertion marker or the </webapp> if there is no
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// marker
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boolean atInsertPoint = false;
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boolean atEOF = false;
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String marker = (insertionMarker == null
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|| insertionMarker.equals("") ? END_OF_WEBAPP : insertionMarker);
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while (!atInsertPoint && !atEOF)
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if (!fragmentWebXml.exists())
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{
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String line = webXmlReader.readLine();
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if (line == null)
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atEOF = true;
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else if (line.indexOf(marker) >= 0)
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{
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atInsertPoint = true;
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}
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else
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{
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mergedWebXmlWriter.println(line);
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}
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}
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if (atEOF && !atInsertPoint)
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throw new IllegalStateException("web.xml does not contain insertionMarker "+insertionMarker);
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//put in a context init-param to flag that the contents have been precompiled
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mergedWebXmlWriter.println("<context-param><param-name>"+PRECOMPILED_FLAG+"</param-name><param-value>true</param-value></context-param>");
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// put in the generated fragment
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try (BufferedReader fragmentWebXmlReader = new BufferedReader(
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new FileReader(fragmentWebXml))) {
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IO.copy(fragmentWebXmlReader, mergedWebXmlWriter);
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// if we inserted just before the </web-app>, put it back in
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if (marker.equals(END_OF_WEBAPP))
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mergedWebXmlWriter.println(END_OF_WEBAPP);
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// copy in the rest of the original web.xml file
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getLog().info("No fragment web.xml file generated");
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//just copy existing web.xml to expected position
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IO.copy(webXmlReader, mergedWebXmlWriter);
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}
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else
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{
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// read up to the insertion marker or the </webapp> if there is no
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// marker
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boolean atInsertPoint = false;
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boolean atEOF = false;
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String marker = (insertionMarker == null
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|| insertionMarker.equals("") ? END_OF_WEBAPP : insertionMarker);
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while (!atInsertPoint && !atEOF)
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{
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String line = webXmlReader.readLine();
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if (line == null)
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atEOF = true;
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else if (line.indexOf(marker) >= 0)
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{
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atInsertPoint = true;
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}
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else
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{
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mergedWebXmlWriter.println(line);
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}
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}
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if (atEOF && !atInsertPoint)
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throw new IllegalStateException("web.xml does not contain insertionMarker "+insertionMarker);
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//put in a context init-param to flag that the contents have been precompiled
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mergedWebXmlWriter.println("<context-param><param-name>"+PRECOMPILED_FLAG+"</param-name><param-value>true</param-value></context-param>");
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// put in the generated fragment
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try (BufferedReader fragmentWebXmlReader =
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new BufferedReader(new FileReader(fragmentWebXml)))
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{
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IO.copy(fragmentWebXmlReader, mergedWebXmlWriter);
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// if we inserted just before the </web-app>, put it back in
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if (marker.equals(END_OF_WEBAPP))
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mergedWebXmlWriter.println(END_OF_WEBAPP);
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// copy in the rest of the original web.xml file
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IO.copy(webXmlReader, mergedWebXmlWriter);
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}
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}
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}
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}
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}
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