Examples of org.geotools.process.ProcessException

org.geotools.process.ProcessException
A runtime exception used when executing a process. @author Michael Bedward @since 2.6 @version 8.0 @source $URL$

            typeBuilder
                    .setDefaultGeometry(sourceFeatureType.getGeometryDescriptor().getLocalName());
            return typeBuilder.buildFeatureType();
        } catch (Exception e) {
            LOGGER.warning("Error creating type: " + e);
            throw new ProcessException("Error creating type: " + e, e);
        }
    }

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            }
            return SimpleFeatureBuilder.build(targetFeatureType, attributes, feature
                    .getIdentifier().getID());
        } catch (Exception e) {
            LOGGER.warning("Error creating feature: " + e);
            throw new ProcessException("Error creating feature: " + e, e);
        }
    }

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            @DescribeParameter(name = "first", description = "First input feature collection") SimpleFeatureCollection firstFeatures,
            @DescribeParameter(name = "second", description = "Second feature collection") SimpleFeatureCollection secondFeatures)
            throws ClassNotFoundException {
        if (!(firstFeatures.features().next().getDefaultGeometry().getClass().equals(secondFeatures
                .features().next().getDefaultGeometry().getClass()))) {
            throw new ProcessException("Different default geometries, cannot perform union");
        } else {
            return new UnitedFeatureCollection(firstFeatures, secondFeatures);
        }
    }

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        CoordinateReferenceSystem dstCRS = argOutputEnv.getCoordinateReferenceSystem();
        MathTransform trans = null;
        try {
            trans = CRS.findMathTransform(srcCRS, dstCRS);
        } catch (FactoryException e) {
            throw new ProcessException(e);
        }


        //------------ Kernel Radius
        /*
         * // not used for now - only pixel radius values are supported double
         * distanceConversionFactor = distanceConversionFactor(srcCRS, dstCRS); double dstRadius =
         * argRadius * distanceConversionFactor;
         */
        int radiusCells = 100;
        if (argRadiusPixels != null)
            radiusCells = argRadiusPixels;
        if (pixelsPerCell > 1) {
            radiusCells /= pixelsPerCell;
        }




        /**
         * -------------- Extract the input observation points -----------
         */
        HeatmapSurface heatMap = new HeatmapSurface(radiusCells, argOutputEnv, gridWidth,
                gridHeight);
        try {
            extractPoints(obsFeatures, valueAttr, trans, heatMap);
        } catch (CQLException e) {
            throw new ProcessException(e);
        }


        /**
         * --------------- Do the processing ------------------------------
         */

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            } catch (IllegalAccessException e) {
                // report the exception and exit
                if (monitor != null) {
                    monitor.exceptionOccurred(e);
                }
                throw new ProcessException(e);
            } catch (InvocationTargetException e) {
                Throwable t = e.getTargetException();
                // report the exception and exit
                if (monitor != null) {
                    monitor.exceptionOccurred(t);
                }
                if (t instanceof ProcessException) {
                    throw ((ProcessException) t);
                } else {
                    throw new ProcessException(t);
                }
            }


            // build up the result
            if (value instanceof Object[]) {

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                    // this takes care of array/collection conversions among
                    // others
                    args[i] = Converters.convert(value, paramTypes[i]);
                    // check the conversion was successful
                    if (args[i] == null && value != null) {
                        throw new ProcessException("Could not convert " + value
                                + " to target type " + paramTypes[i].getName());
                    }


                    // check multiplicity is respected
                    if (p.minOccurs > 0 && value == null) {
                        throw new ProcessException("Parameter " + p.key
                                + " is missing but has min multiplicity > 0");
                    } else if (p.maxOccurs > 1) {
                        int size = -1;
                        if(args[i] == null) {
                            size = 0;
                        } else if (paramTypes[i].isArray()) {
                            size = Array.getLength(args[i]);
                        } else {
                            size = ((Collection) args[i]).size();
                        }
                        if (size < p.minOccurs) {
                            throw new ProcessException("Parameter " + p.key + " has " + size
                                    + " elements but min occurrences is " + p.minOccurs);
                        }
                        if (size > p.maxOccurs) {
                            throw new ProcessException("Parameter " + p.key + " has " + size
                                    + " elements but max occurrences is " + p.maxOccurs);
                        }
                    }
                }
            }

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                args[args.length - 1] = targetGridGeometry;




                return (Query) invertQueryMethod.invoke(targetObject, args);
            } catch (IllegalAccessException e) {
                throw new ProcessException(e);
            } catch (InvocationTargetException e) {
                Throwable t = e.getTargetException();
                if (t instanceof ProcessException) {
                    throw ((ProcessException) t);
                } else {
                    throw new ProcessException(t);
                }
            }


        }

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                args[args.length - 2] = targetQuery;
                args[args.length - 1] = targetGridGeometry;


                return (GridGeometry) invertGridGeometryMethod.invoke(targetObject, args);
            } catch (IllegalAccessException e) {
                throw new ProcessException(e);
            } catch (InvocationTargetException e) {
                Throwable t = e.getTargetException();
                if (t instanceof ProcessException) {
                    throw ((ProcessException) t);
                } else {
                    throw new ProcessException(t);
                }
            }
        }

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        try {
            return adapter.run(name, input);
        } 
        catch (Exception e) {
            throw new ProcessException(e);
        }
    }

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            @DescribeParameter(name = "features", description = "The feature collection to be simplified") SimpleFeatureCollection features,
            @DescribeParameter(name = "distance", description = "The simplification distance (should be positive)") double distance,
            @DescribeParameter(name = "preserveTopology", description = "Wheter a topology preserving simplification should be used", min = 0) Boolean preserveTopology)
            throws ProcessException {
        if (distance < 0) {
            throw new ProcessException("Invalid distance, it should be a positive number");
        }


        return new SimplifyingFeatureCollection(features, distance,
                preserveTopology == null ? Boolean.FALSE : preserveTopology);
    }

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