Examples of org.apache.excalibur.source.SourceException

org.apache.excalibur.source.SourceException
This Exception is thrown every time there is a problem in processing a source. @author Avalon Development Team @version CVS $Revision: 1.4 $ $Date: 2004/02/28 11:47:26 $

        //} catch (ComponentException ce) {
        //    logger.error("Component not found: " + XMLSerializer.ROLE, ce);
        //    throw new SourceException("Component lookup of XMLSerializer failed!", ce);
        } catch (SAXException se) {
            logger.error("SAX exception!", se);
            throw new SourceException("Serializing SAX to a ByteArray failed!", se);
        //} finally {
            //serializerSelector.release(serializer);
            //manager.release(serializerSelector);
        }

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                getLogger().debug("Could not retrieve descriptor.",e);
            }
            // assert m_descriptor == null;
        } 
        catch (AccessDeniedException e) {
            throw new SourceException("Access denied.",e);
        }
        catch (SlideException e) {
            throw new SourceException("Failure during source initialization.",e);
        }
    }

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     */
    public InputStream getInputStream() throws IOException, SourceException {
        try {
            return m_content.retrieve(m_slideToken,m_descriptors,m_descriptor).streamContent();
        } catch (SlideException se) {
            throw new SourceException("Could not get source", se);
        }
    }

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                if (cnx != null) {
                    cnx.close();
                }
            } catch(SQLException sqle2) {
                // PITA
                throw new SourceException("Cannot close connection", sqle2);
            }


            // IOException would be more adequate, but ProcessingException is cascaded...
            throw new SourceException(msg, sqle);
        }
    }

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                datasource = (DataSourceComponent)selector.select(this.datasourceName);


            } catch(Exception e) {
                String msg = "Cannot get datasource '" + this.datasourceName + "'";
                getLogger().error(msg);
                throw new SourceException(msg, e);
            }


            try {
                return datasource.getConnection();
            } catch(Exception e) {
                String msg = "Cannot get connection for datasource '" + this .datasourceName + "'";
                getLogger().error(msg);
                throw new SourceException(msg, e);
            }


        } finally {
            if (datasource != null) {
                selector.release(datasource);

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                thread.start();
                if (this.getLogger().isDebugEnabled()) {
                    this.getLogger().debug("Thread started for " + uri);
                }
            } catch (ServiceException ce) {
                throw new SourceException("Unable to lookup thread pool or xml serializer.", ce);
            } catch (Exception e) {
                throw new SourceException("Unable to get pooled thread.", e);
            }
        }
        return uri;
    }

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        {
             part = (Part) obj;
        }
        else
        {
             throw new SourceException("Request object " + location + " is not an uploaded Part");
        }
    }

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                String message = location + " could not be found. (possible context problem)";
                getLogger().info(message);
                throw new MalformedURLException(message);
            }
        } catch (ServiceException se) {
            throw new SourceException("Unable to lookup source resolver.", se);
        } finally {
            this.manager.release( resolver );
        }
                
    }

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        if (this.needsRefresh) {
            this.refresh();
        }
        // VG: Why exception is not thrown in constructor?
        if (this.exception != null) {
            throw new SourceException("Cannot get input stream for " + getURI(), this.exception);
        }


        if (this.redirectSource != null) {
            return this.redirectSource.getInputStream();
        }


        try {
            ByteArrayOutputStream os = new ByteArrayOutputStream();
            this.environment.setOutputStream(os);
            CocoonComponentManager.enterEnvironment(this.environment,
                                                    this.manager,
                                                    this.pipelineProcessor);
            try {
                this.processingPipeline.process(this.environment);
            } finally {
                CocoonComponentManager.leaveEnvironment();
            }
            return new ByteArrayInputStream(os.toByteArray());


        } catch (ResourceNotFoundException e) {
            throw new SourceNotFoundException("Exception during processing of " + this.systemId, e);
        } catch (Exception e) {
            throw new SourceException("Exception during processing of " + this.systemId, e);
        } finally {
            // Unhide wrapped environment output stream
            this.environment.setOutputStream(null);
            reset();
        }

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            this.logger.debug( "Getting InputStream for " + getURI() );
        }


        Object obj = getInputAttribute( this.attributeType, this.attributeName );
        if ( obj == null )
            throw new SourceException( " The attribute: " + this.attributeName +
                                       " is empty" );


        if ( !(this.xPath.length() == 0 || this.xPath.equals( "/" )) ) {
            JXPathContext context = JXPathContext.newContext( obj );
            obj = context.getValue( this.xPath );


            if ( obj == null )
                throw new SourceException( "the xpath: " + this.xPath +
                                           " applied on the attribute: " +
                                           this.attributeName +
                                           " returns null");
        }


        if ( obj instanceof InputStream ) {
            return (InputStream)obj;
        } else if ( obj instanceof String ) {
            return new ByteArrayInputStream( ((String)obj).getBytes() );
        } else {
            throw new SourceException( "The object type: " + obj.getClass() +
                                       " could not be serialized as a InputStream " + obj );
        }
    }

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Related Classes of org.apache.excalibur.source.SourceException

org.apache.cocoon.components.source.CocoonSourceResolver

org.apache.cocoon.components.source.impl.AvalonToCocoonSourceInvocationHandler

org.apache.cocoon.components.source.impl.BlobSource

org.apache.cocoon.components.source.impl.BlockContextSource

org.apache.cocoon.components.source.impl.BlockContextSourceFactory

org.apache.cocoon.components.source.impl.CachingSource

org.apache.cocoon.components.source.impl.CachingSourceFactory

org.apache.cocoon.components.source.impl.CocoonToAvalonSource

org.apache.cocoon.components.source.impl.ContextSourceFactory

org.apache.cocoon.components.source.impl.DelayRefresher

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