Examples of org.jibx.schema.validation.ProblemLocation

org.jibx.schema.validation.ProblemLocation
Location of validation problem. An instance of this can be used in place of an unmarshalled element in cases where the validation problem prevents the creation of the element object. TODO: move this out of the schema package, generalize @author Dennis M. Sosnoski

     */
    private void setNameConverter(NameConverter nconv, IUnmarshallingContext ictx) {
        if (nconv != null) {
            if (m_nameConverter != null) {
                ValidationContext vctx = (ValidationContext)ictx.getUserContext();
                vctx.addWarning("Repeated 'name-converter' element overrides previous setting", new ProblemLocation(ictx));
            }
            m_nameConverter = nconv;
        }
    }

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        // get the class to be used for class decorator instance
        ValidationContext vctx = (ValidationContext)ictx.getUserContext();
        UnmarshallingContext ctx = (UnmarshallingContext)ictx;
        String cname = ctx.attributeText(null, "class", null);
        if (cname == null) {
            vctx.addError("Missing required 'class' attribute", new ProblemLocation(ctx));
        } else {
            try {
                
                // make sure the class implements the required interface
                Class clas = SchemaRootBase.class.getClassLoader().loadClass(cname);
                if (ClassDecorator.class.isAssignableFrom(clas)) {
                    vctx.addError("Class " + cname + " does not implement the required IClassDecorator interface",
                        new ProblemLocation(ictx));
                } else {
                    try {
                        return (ClassDecorator)clas.newInstance();
                    } catch (InstantiationException e) {
                        vctx.addError("Error creating instance of class " + cname + ": " + e.getMessage(),
                            new ProblemLocation(ictx));
                    } catch (IllegalAccessException e) {
                        vctx.addError("Unable to access constructor for class " + cname + ": " + e.getMessage(),
                            new ProblemLocation(ictx));
                    }
                }
                
            } catch (ClassNotFoundException e) {
                vctx.addError("Unable to find class " + cname + " in classpath", new ProblemLocation(ictx));
            }
        }
        return null;
    }

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                    if (ctx.getAttributeNamespace(i).length() == 0) {
                        if (!"class".equals(name)) {
                            map.put(name, value);
                        }
                    } else {
                        vctx.addError("Unknown namespaced attribute '" + name + "'", new ProblemLocation(ctx));
                    }
                }
                
                // create and populate values on instance
                try {
                    ReflectionUtilities.applyKeyValueMap(map, obj);
                } catch (IllegalArgumentException e) {
                    vctx.addError(e.getMessage(), new ProblemLocation(ctx));
                }
            }
            
            // skip element and return unmarshalled decorator instance
            ctx.skipElement();

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                                try {
                                    return cons.newInstance(new Object[] { prior });
                                } catch (IllegalArgumentException e) { /* ignore failure */
                                } catch (InvocationTargetException e) {
                                    vctx.addWarning("Failed passing existing name converter to constructor for class " +
                                        cname + ": " + e.getMessage(), new ProblemLocation(ctx));
                                }
                                
                            } catch (SecurityException e) { /* ignore failure */
                            } catch (NoSuchMethodException e) { /* ignore failure */ }
                        }
                        
                        // just create instance using no-argument constructor
                        return clas.newInstance();
                        
                    } catch (InstantiationException e) {
                        vctx.addError("Error creating instance of class " + cname + ": " + e.getMessage(),
                            new ProblemLocation(ctx));
                    } catch (IllegalAccessException e) {
                        vctx.addError("Unable to access constructor for class " + cname + ": " + e.getMessage(),
                            new ProblemLocation(ctx));
                    }
                } else {
                    vctx.addError("Class " + cname + " does not implement the required NameConverter interface",
                        new ProblemLocation(ctx));
                }
                
            } catch (ClassNotFoundException e) {
                vctx.addError("Unable to find class " + cname + " in classpath", new ProblemLocation(ctx));
            }
            return null;
        }

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        protected Object createInstance(String cname, UnmarshallingContext ctx) {
            
            // check class to be used for class decorator instance
            ValidationContext vctx = (ValidationContext)ctx.getUserContext();
            if (cname == null) {
                vctx.addError("Missing required 'class' attribute", new ProblemLocation(ctx));
            } else {
                try {
                    
                    // make sure the class implements the required interface
                    Class clas = SchemaRootBase.class.getClassLoader().loadClass(cname);
                    if (ClassDecorator.class.isAssignableFrom(clas)) {
                        try {
                            return clas.newInstance();
                        } catch (InstantiationException e) {
                            vctx.addError("Error creating instance of class " + cname + ": " + e.getMessage(),
                                new ProblemLocation(ctx));
                        } catch (IllegalAccessException e) {
                            vctx.addError("Unable to access constructor for class " + cname + ": " + e.getMessage(),
                                new ProblemLocation(ctx));
                        }
                    } else {
                        vctx.addError("Class " + cname + " does not implement the required ClassDecorator interface",
                            new ProblemLocation(ctx));
                    }
                    
                } catch (ClassNotFoundException e) {
                    vctx.addError("Unable to find class " + cname + " in classpath", new ProblemLocation(ctx));
                }
            }
            return null;
        }

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            } else {
                
                // report a validation error for unsupported element
                ValidationContext vctx = (ValidationContext)ictx.getUserContext();
                vctx.addFatal("No customizations allowed", new ProblemLocation(ictx));
                
            }
        } else {
            
            // report a validation error for unknown element
            ValidationContext vctx = (ValidationContext)ictx.getUserContext();
            vctx.addFatal("Unknown element", new ProblemLocation(ictx));
            
        }
        ctx.skipElement();
        return null;
    }

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Related Classes of org.jibx.schema.validation.ProblemLocation

org.jibx.runtime.impl.UnmarshallingContext

org.jibx.schema.codegen.custom.ComponentCustomUnmarshaller

org.jibx.schema.codegen.custom.SchemaRootBase

org.jibx.schema.codegen.custom.SchemaRootBase$ClassDecoratorUnmarshaller

org.jibx.schema.codegen.custom.SchemaRootBase$ExtensionUnmarshaller

org.jibx.schema.codegen.custom.SchemaRootBase$NameConverterUnmarshaller

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