Source Code Cross Referenced for ValidatorImpl.java in  » Portal » stringbeans-3.5 » com » nabhinc » portal » config » impl » runtime » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » stringbeans 3.5 » com.nabhinc.portal.config.impl.runtime 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        //
002:        // This file was generated by the JavaTM Architecture for XML Binding(JAXB) Reference Implementation, v1.0.4-b18-fcs 
003:        // See <a href="http://java.sun.com/xml/jaxb">http://java.sun.com/xml/jaxb</a> 
004:        // Any modifications to this file will be lost upon recompilation of the source schema. 
005:        // Generated on: 2005.03.04 at 10:20:40 PST 
006:        //
007:
008:        package com.nabhinc.portal.config.impl.runtime;
009:
010:        import javax.xml.bind.DatatypeConverter;
011:        import javax.xml.bind.PropertyException;
012:        import javax.xml.bind.ValidationEvent;
013:        import javax.xml.bind.ValidationEventHandler;
014:        import javax.xml.bind.ValidationException;
015:        import javax.xml.bind.Validator;
016:        import javax.xml.bind.helpers.DefaultValidationEventHandler;
017:
018:        import org.xml.sax.SAXException;
019:
020:        import com.sun.xml.bind.DatatypeConverterImpl;
021:        import com.sun.xml.bind.validator.Messages;
022:
023:        /*
024:         TODO:
025:         reorganize classes into appropriate packages.
026:         to reflect the fact that some of the classes in
027:         the marshaller package are used for both marshalling
028:         and validation.
029:
030:         In particular, the MarshallingContext interface should be
031:         renamed. It is not only for marshalling. 
032:         (something like "Serializer", maybe).
033:         */
034:
035:        /**
036:         * Validator implementation of JAXB RI.
037:         */
038:        public class ValidatorImpl implements  Validator {
039:            /** Validation errors will be reported to this object. */
040:            private ValidationEventHandler eventHandler = new DefaultValidationEventHandler();
041:
042:            final DefaultJAXBContextImpl jaxbContext;
043:
044:            public ValidatorImpl(DefaultJAXBContextImpl c) {
045:                // initialize datatype converter with ours
046:                DatatypeConverter
047:                        .setDatatypeConverter(DatatypeConverterImpl.theInstance);
048:
049:                jaxbContext = c;
050:            }
051:
052:            /**
053:             * We need to know whether an validation error was detected or not.
054:             * For this purpose, we set up the validation so that this interceptor
055:             * will "intercept" errors before the application receives it.
056:             */
057:            private static class EventInterceptor implements 
058:                    ValidationEventHandler {
059:                EventInterceptor(ValidationEventHandler _next) {
060:                    this .next = _next;
061:                }
062:
063:                private boolean hadError = false;
064:
065:                public boolean hadError() {
066:                    return hadError;
067:                }
068:
069:                /** event will be passed to this component. */
070:                private final ValidationEventHandler next;
071:
072:                public boolean handleEvent(ValidationEvent e) {
073:                    hadError = true;
074:                    boolean result;
075:                    if (next != null) {
076:                        // pass it to the application
077:                        try {
078:                            result = next.handleEvent(e);
079:                        } catch (RuntimeException re) {
080:                            // if the client event handler causes a RuntimeException,
081:                            // then we have to return false
082:                            result = false;
083:                        }
084:                    } else {
085:                        // if no error handler was specified, there is no point
086:                        // in continuing the validation.
087:                        result = false;
088:                    }
089:                    return result;
090:                }
091:            };
092:
093:            public boolean validateRoot(Object o) throws ValidationException {
094:                if (o == null) {
095:                    throw new IllegalArgumentException(Messages.format(
096:                            Messages.MUST_NOT_BE_NULL, "rootObj"));
097:                }
098:
099:                return validate(o, true);
100:            }
101:
102:            public boolean validate(Object o) throws ValidationException {
103:                if (o == null) {
104:                    throw new IllegalArgumentException(Messages.format(
105:                            Messages.MUST_NOT_BE_NULL, "subrootObj"));
106:                }
107:
108:                return validate(o, false);
109:            }
110:
111:            private boolean validate(Object o, boolean validateId)
112:                    throws ValidationException {
113:
114:                try {
115:
116:                    //ValidatableObject vo = Util.toValidatableObject(o);
117:                    ValidatableObject vo = jaxbContext.getGrammarInfo()
118:                            .castToValidatableObject(o);
119:
120:                    if (vo == null)
121:                        throw new ValidationException(Messages
122:                                .format(Messages.NOT_VALIDATABLE));
123:
124:                    EventInterceptor ei = new EventInterceptor(eventHandler);
125:                    ValidationContext context = new ValidationContext(
126:                            jaxbContext, ei, validateId);
127:                    context.validate(vo);
128:                    context.reconcileIDs();
129:
130:                    return !ei.hadError();
131:                } catch (SAXException e) {
132:                    // we need a consistent mechanism to convert SAXException into JAXBException
133:                    Exception nested = e.getException();
134:                    if (nested != null) {
135:                        throw new ValidationException(nested);
136:                    } else {
137:                        throw new ValidationException(e);
138:                    }
139:                    //return false;
140:                }
141:            }
142:
143:            public ValidationEventHandler getEventHandler() {
144:                return eventHandler;
145:            }
146:
147:            public void setEventHandler(ValidationEventHandler handler) {
148:                if (handler == null) {
149:                    eventHandler = new DefaultValidationEventHandler();
150:                } else {
151:                    eventHandler = handler;
152:                }
153:            }
154:
155:            /**
156:             * There are no required properties, so simply throw an exception.  Other
157:             * providers may have support for properties on Validator, but the RI doesn't
158:             */
159:            public void setProperty(String name, Object value)
160:                    throws PropertyException {
161:
162:                if (name == null) {
163:                    throw new IllegalArgumentException(Messages.format(
164:                            Messages.MUST_NOT_BE_NULL, "name"));
165:                }
166:
167:                throw new PropertyException(name, value);
168:            }
169:
170:            /**
171:             * There are no required properties, so simply throw an exception.  Other
172:             * providers may have support for properties on Validator, but the RI doesn't
173:             */
174:            public Object getProperty(String name) throws PropertyException {
175:
176:                if (name == null) {
177:                    throw new IllegalArgumentException(Messages.format(
178:                            Messages.MUST_NOT_BE_NULL, "name"));
179:                }
180:
181:                throw new PropertyException(name);
182:            }
183:
184:        }
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