Examples of net.janino.util.TunnelException

net.janino.util.TunnelException
Redirects all methods to the delegate {@link Throwable}.
This class is useful if you want to throw a non- {@link RuntimeException}-derived Exception, but cannot declare it in the "throws" clause of your method, because your method overrides a method of a base class. The classical example is {@link ClassLoader#findClass(String)}, which allows only {@link ClassNotFoundException} to be thrown, but you want to implement a moreelaborate exception handling.
To make clear which exceptions wrapped in {@link TunnelException} your method would throw, itis recommended that you declare them with a "throws {@link TunnelException}" clause and that you document them in JAVADOC with @throws clauses like this:
```
 / * ... * @throws TunnelException Wraps a {@link FooException} - Problems writing a Foo * @throws TunnelException Wraps a {@link BarException} - The Bar could not be opened */ 
```

            // Compile the compilation unit.
            ClassFile[] cfs;
            try {
                cfs = compilationUnitToCompile.compile(this.iClassLoader, this.debuggingInformation);
            } catch (Java.CompileException e) {
                throw new TunnelException(e);
            }


            // Now that the CU is compiled, remove it from the set of uncompiled CUs.
            this.uncompiledCompilationUnits.remove(compilationUnitToCompile);


            // Get the generated class file.
            for (int i = 0; i < cfs.length; ++i) {
                if (cfs[i].getThisClassName().equals(name)) {
                    if (cf != null) throw new RuntimeException(); // SNO: Multiple CFs with the same name.
                    cf = cfs[i];
                } else {
                    if (this.precompiledClasses.containsKey(cfs[i].getThisClassName())) throw new TunnelException(new Java.CompileException("Class or interface \"" + name + "\" is defined in more than one compilation unit", null));
                    this.precompiledClasses.put(cfs[i].getThisClassName(), cfs[i]);
                }
            }
            if (cf == null) throw new RuntimeException(); // SNO: Compilation of CU does not generate CF with requested name.
        }

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                    sourceFile.getPath(),                                     // fileName
                    new BufferedInputStream(new FileInputStream(sourceFile)), // inputStream
                    Compiler.this.optionalCharacterEncoding                   // optionalCharacterEncoding
                );
            } catch (IOException ex) {
                throw new TunnelException(ex);
            } catch (Parser.ParseException ex) {
                throw new TunnelException(ex);
            } catch (Scanner.ScanException ex) {
                throw new TunnelException(ex);
            }


            // Remember compilation unit for later compilation.
            Compiler.this.parsedCompilationUnits.add(cu);

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                InputStream is = null;
                ClassFile cf;
                try {
                    cf = new ClassFile(new BufferedInputStream(new FileInputStream(classFile)));
                } catch (IOException ex) {
                    throw new TunnelException(ex);
                } finally {
                    if (is != null) try { is.close(); } catch (IOException e) {}
                }
                ClassFileIClass result = new ClassFileIClass(
                    cf,                       // classFile

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            IClass res = cu.findClass(className);
            if (res == null) throw new Parser.ParseException("Source file \"" + sourceURL.getFile() + "\" does not declare class \"" + className + "\"", (Scanner.Location) null);
            this.defineIClass(res);
            return res;
        } catch (Scanner.ScanException e) {
            throw new TunnelException(e);
        } catch (Parser.ParseException e) {
            throw new TunnelException(e);
        } catch (IOException e) {
            throw new TunnelException(e);
        }
    }

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Related Classes of net.janino.util.TunnelException

net.janino.Compiler$CompilerIClassLoader

net.janino.JavaSourceClassLoader

net.janino.JavaSourceIClassLoader

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