org.apache.jasper.compiler.NullJavaCompiler Maven / Gradle / Ivy
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package org.apache.jasper.compiler;
import java.io.File;
import java.io.IOException;
import java.io.FileOutputStream;
import java.io.Writer;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.util.List;
import org.apache.jasper.JasperException;
import org.apache.jasper.JspCompilationContext;
/**
* Java compiler for invoking JSP to java translation only. This only
* implements the part of JavaCompiler that handles the writing of the
* generated Java file.
*
* @author Kin-man Chung
*/
public class NullJavaCompiler implements JavaCompiler {
private JspCompilationContext ctxt;
private ErrorDispatcher errDispatcher;
private String javaFileName;
private String javaEncoding;
public void init(JspCompilationContext ctxt,
ErrorDispatcher errDispatcher,
boolean suppressLogging) {
this.ctxt = ctxt;
this.errDispatcher = errDispatcher;
}
public void release() {
}
public void setExtdirs(String exts) {
throw new UnsupportedOperationException();
}
public void setTargetVM(String targetVM) {
throw new UnsupportedOperationException();
}
public void setSourceVM(String sourceVM) {
throw new UnsupportedOperationException();
}
public void setClassPath(List cpath) {
throw new UnsupportedOperationException();
}
public void saveClassFile(String className, String classFileName) {
throw new UnsupportedOperationException();
}
public void setDebug(boolean debug) {
throw new UnsupportedOperationException();
}
public long getClassLastModified() {
throw new UnsupportedOperationException();
}
public Writer getJavaWriter(String javaFileName,
String javaEncoding)
throws JasperException {
this.javaFileName = javaFileName;
this.javaEncoding = javaEncoding;
Writer writer = null;
try {
writer = new OutputStreamWriter(
new FileOutputStream(javaFileName), javaEncoding);
} catch (UnsupportedEncodingException ex) {
errDispatcher.jspError("jsp.error.needAlternateJavaEncoding",
javaEncoding);
} catch (IOException ex) {
errDispatcher.jspError("jsp.error.unableToCreateOutputWriter",
javaFileName, ex);
}
return writer;
}
public JavacErrorDetail[] compile(String className, Node.Nodes pageNodes)
throws JasperException {
throw new UnsupportedOperationException();
}
public void doJavaFile(boolean keep) {
if (!keep) {
File javaFile = new File(javaFileName);
javaFile.delete();
}
}
}