java类javax.xml.bind.annotation.adapters.XmlAdapter的实例源码

public static <T> String marshal(final JAXBContext context, final T obj, final XmlAdapter<?, ?>... adapters) {
    if (obj == null) {
        return null;
    }

    try {
        final ByteArrayOutputStream out = new ByteArrayOutputStream();
        final Marshaller marshaller = context.createMarshaller();

        if (adapters != null) {
            for (final XmlAdapter<?, ?> adapter : adapters) {
                marshaller.setAdapter(adapter);
            }
        }

        final TransformerHandler transformerHandler = XMLUtil.createTransformerHandler(true);
        transformerHandler.setResult(new StreamResult(out));
        marshaller.marshal(obj, transformerHandler);

        return out.toString(String.valueOf(StandardCharsets.UTF_8));
    } catch (final Throwable t) {
        throw new RuntimeException(t.getMessage(), t);
    }
}

public static <T> T unmarshal(final JAXBContext context, final Class<T> clazz, final String data,
        final XmlAdapter<?, ?>... adapters) {
    if (data != null) {
        final String trimmed = data.trim();
        if (trimmed.length() > 0) {
            try {
                final Unmarshaller unmarshaller = context.createUnmarshaller();

                if (adapters != null) {
                    for (final XmlAdapter<?, ?> adapter : adapters) {
                        unmarshaller.setAdapter(adapter);
                    }
                }

                final JAXBElement<T> jaxbElement = unmarshaller.unmarshal(
                        new StreamSource(new ByteArrayInputStream(trimmed.getBytes(StandardCharsets.UTF_8))),
                        clazz);
                return jaxbElement.getValue();
            } catch (final JAXBException e) {
                throw new RuntimeException("Invalid XML " + trimmed, e);
            }
        }
    }
    return null;
}

/**
 * Checks if the given adapter is applicable to the declared property type.
 */
private boolean isApplicable(XmlJavaTypeAdapter jta, T declaredType ) {
    if(jta==null)   return false;

    T type = reader().getClassValue(jta,"type");
    if(nav().isSameType(declaredType, type))
        return true;    // for types explicitly marked in XmlJavaTypeAdapter.type()

    T ad = reader().getClassValue(jta,"value");
    T ba = nav().getBaseClass(ad, nav().asDecl(XmlAdapter.class));
    if(!nav().isParameterizedType(ba))
        return true;   // can't check type applicability. assume Object, which means applicable to any.
    T inMemType = nav().getTypeArgument(ba, 1);

    return nav().isSubClassOf(declaredType,inMemType);
}

public TypeUse getTypeUse(XSSimpleType owner) {
    if(typeUse!=null)
        return typeUse;

    JCodeModel cm = getCodeModel();

    JDefinedClass a;
    try {
        a = cm._class(adapter);
        a.hide();   // we assume this is given by the user
        a._extends(cm.ref(XmlAdapter.class).narrow(String.class).narrow(
                cm.ref(type)));
    } catch (JClassAlreadyExistsException e) {
        a = e.getExistingClass();
    }

    // TODO: it's not correct to say that it adapts from String,
    // but OTOH I don't think we can compute that.
    typeUse = TypeUseFactory.adapt(
            CBuiltinLeafInfo.STRING,
            new CAdapter(a));

    return typeUse;
}

public JExpression createConstant(Outline outline, XmlString lexical) {
    if(isCollection())  return null;

    if(adapter==null)     return coreType.createConstant(outline, lexical);

    // [RESULT] new Adapter().unmarshal(CONSTANT);
    JExpression cons = coreType.createConstant(outline, lexical);
    Class<? extends XmlAdapter> atype = adapter.getAdapterIfKnown();

    // try to run the adapter now rather than later.
    if(cons instanceof JStringLiteral && atype!=null) {
        JStringLiteral scons = (JStringLiteral) cons;
        XmlAdapter a = ClassFactory.create(atype);
        try {
            Object value = a.unmarshal(scons.str);
            if(value instanceof String) {
                return JExpr.lit((String)value);
            }
        } catch (Exception e) {
            // assume that we can't eagerly bind this
        }
    }

    return JExpr._new(adapter.getAdapterClass(outline)).invoke("unmarshal").arg(cons);
}

static NClass getRef( final Class<? extends XmlAdapter> adapter, boolean copy ) {
    if(copy) {
        // TODO: this is a hack. the code generation should be defered until
        // the backend. (right now constant generation happens in the front-end)
        return new EagerNClass(adapter) {
            @Override
            public JClass toType(Outline o, Aspect aspect) {
                return o.addRuntime(adapter);
            }
            public String fullName() {
                // TODO: implement this method later
                throw new UnsupportedOperationException();
            }
        };
    } else {
        return NavigatorImpl.theInstance.ref(adapter);
    }
}

public TypeUse getTypeUse(XSSimpleType owner) {
    if(typeUse!=null)
        return typeUse;

    JCodeModel cm = getCodeModel();

    JDefinedClass a;
    try {
        a = cm._class(adapter);
        a.hide();   // we assume this is given by the user
        a._extends(cm.ref(XmlAdapter.class).narrow(String.class).narrow(
                cm.ref(type)));
    } catch (JClassAlreadyExistsException e) {
        a = e.getExistingClass();
    }

    // TODO: it's not correct to say that it adapts from String,
    // but OTOH I don't think we can compute that.
    typeUse = TypeUseFactory.adapt(
            CBuiltinLeafInfo.STRING,
            new CAdapter(a));

    return typeUse;
}

public JExpression createConstant(Outline outline, XmlString lexical) {
    if(isCollection())  return null;

    if(adapter==null)     return coreType.createConstant(outline, lexical);

    // [RESULT] new Adapter().unmarshal(CONSTANT);
    JExpression cons = coreType.createConstant(outline, lexical);
    Class<? extends XmlAdapter> atype = adapter.getAdapterIfKnown();

    // try to run the adapter now rather than later.
    if(cons instanceof JStringLiteral && atype!=null) {
        JStringLiteral scons = (JStringLiteral) cons;
        XmlAdapter a = ClassFactory.create(atype);
        try {
            Object value = a.unmarshal(scons.str);
            if(value instanceof String) {
                return JExpr.lit((String)value);
            }
        } catch (Exception e) {
            // assume that we can't eagerly bind this
        }
    }

    return JExpr._new(adapter.getAdapterClass(outline)).invoke("unmarshal").arg(cons);
}

static NClass getRef( final Class<? extends XmlAdapter> adapter, boolean copy ) {
    if(copy) {
        // TODO: this is a hack. the code generation should be defered until
        // the backend. (right now constant generation happens in the front-end)
        return new EagerNClass(adapter) {
            @Override
            public JClass toType(Outline o, Aspect aspect) {
                return o.addRuntime(adapter);
            }
            public String fullName() {
                // TODO: implement this method later
                throw new UnsupportedOperationException();
            }
        };
    } else {
        return NavigatorImpl.theInstance.ref(adapter);
    }
}

/**
 * Checks if the given adapter is applicable to the declared property type.
 */
private boolean isApplicable(XmlJavaTypeAdapter jta, T declaredType ) {
    if(jta==null)   return false;

    T type = reader().getClassValue(jta,"type");
    if(nav().isSameType(declaredType, type))
        return true;    // for types explicitly marked in XmlJavaTypeAdapter.type()

    T ad = reader().getClassValue(jta,"value");
    T ba = nav().getBaseClass(ad, nav().asDecl(XmlAdapter.class));
    if(!nav().isParameterizedType(ba))
        return true;   // can't check type applicability. assume Object, which means applicable to any.
    T inMemType = nav().getTypeArgument(ba, 1);

    return nav().isSubClassOf(declaredType,inMemType);
}

public TypeUse getTypeUse(XSSimpleType owner) {
    if(typeUse!=null)
        return typeUse;

    JCodeModel cm = getCodeModel();

    JDefinedClass a;
    try {
        a = cm._class(adapter);
        a.hide();   // we assume this is given by the user
        a._extends(cm.ref(XmlAdapter.class).narrow(String.class).narrow(
                cm.ref(type)));
    } catch (JClassAlreadyExistsException e) {
        a = e.getExistingClass();
    }

    // TODO: it's not correct to say that it adapts from String,
    // but OTOH I don't think we can compute that.
    typeUse = TypeUseFactory.adapt(
            CBuiltinLeafInfo.STRING,
            new CAdapter(a));

    return typeUse;
}

public JExpression createConstant(Outline outline, XmlString lexical) {
    if(isCollection())  return null;

    if(adapter==null)     return coreType.createConstant(outline, lexical);

    // [RESULT] new Adapter().unmarshal(CONSTANT);
    JExpression cons = coreType.createConstant(outline, lexical);
    Class<? extends XmlAdapter> atype = adapter.getAdapterIfKnown();

    // try to run the adapter now rather than later.
    if(cons instanceof JStringLiteral && atype!=null) {
        JStringLiteral scons = (JStringLiteral) cons;
        XmlAdapter a = ClassFactory.create(atype);
        try {
            Object value = a.unmarshal(scons.str);
            if(value instanceof String) {
                return JExpr.lit((String)value);
            }
        } catch (Exception e) {
            // assume that we can't eagerly bind this
        }
    }

    return JExpr._new(adapter.getAdapterClass(outline)).invoke("unmarshal").arg(cons);
}

static NClass getRef( final Class<? extends XmlAdapter> adapter, boolean copy ) {
    if(copy) {
        // TODO: this is a hack. the code generation should be defered until
        // the backend. (right now constant generation happens in the front-end)
        return new EagerNClass(adapter) {
            @Override
            public JClass toType(Outline o, Aspect aspect) {
                return o.addRuntime(adapter);
            }
            public String fullName() {
                // TODO: implement this method later
                throw new UnsupportedOperationException();
            }
        };
    } else {
        return NavigatorImpl.theInstance.ref(adapter);
    }
}

/**
 * Checks if the given adapter is applicable to the declared property type.
 */
private boolean isApplicable(XmlJavaTypeAdapter jta, T declaredType ) {
    if(jta==null)   return false;

    T type = reader().getClassValue(jta,"type");
    if(nav().isSameType(declaredType, type))
        return true;    // for types explicitly marked in XmlJavaTypeAdapter.type()

    T ad = reader().getClassValue(jta,"value");
    T ba = nav().getBaseClass(ad, nav().asDecl(XmlAdapter.class));
    if(!nav().isParameterizedType(ba))
        return true;   // can't check type applicability. assume Object, which means applicable to any.
    T inMemType = nav().getTypeArgument(ba, 1);

    return nav().isSubClassOf(declaredType,inMemType);
}

/**
 * Template method that can be overridden by concrete JAXB marshallers for custom initialization behavior.
 * Gets called after creation of JAXB {@code Marshaller}, and after the respective properties have been set.
 * <p>The default implementation sets the {@link #setMarshallerProperties(Map) defined properties}, the {@link
 * #setValidationEventHandler(ValidationEventHandler) validation event handler}, the {@link #setSchemas(Resource[])
 * schemas}, {@link #setMarshallerListener(javax.xml.bind.Marshaller.Listener) listener}, and
 * {@link #setAdapters(XmlAdapter[]) adapters}.
 */
protected void initJaxbMarshaller(Marshaller marshaller) throws JAXBException {
    if (this.marshallerProperties != null) {
        for (String name : this.marshallerProperties.keySet()) {
            marshaller.setProperty(name, this.marshallerProperties.get(name));
        }
    }
    if (this.marshallerListener != null) {
        marshaller.setListener(this.marshallerListener);
    }
    if (this.validationEventHandler != null) {
        marshaller.setEventHandler(this.validationEventHandler);
    }
    if (this.adapters != null) {
        for (XmlAdapter<?, ?> adapter : this.adapters) {
            marshaller.setAdapter(adapter);
        }
    }
    if (this.schema != null) {
        marshaller.setSchema(this.schema);
    }
}

/**
 * Template method that can be overridden by concrete JAXB marshallers for custom initialization behavior.
 * Gets called after creation of JAXB {@code Marshaller}, and after the respective properties have been set.
 * <p>The default implementation sets the {@link #setUnmarshallerProperties(Map) defined properties}, the {@link
 * #setValidationEventHandler(ValidationEventHandler) validation event handler}, the {@link #setSchemas(Resource[])
 * schemas}, {@link #setUnmarshallerListener(javax.xml.bind.Unmarshaller.Listener) listener}, and
 * {@link #setAdapters(XmlAdapter[]) adapters}.
 */
protected void initJaxbUnmarshaller(Unmarshaller unmarshaller) throws JAXBException {
    if (this.unmarshallerProperties != null) {
        for (String name : this.unmarshallerProperties.keySet()) {
            unmarshaller.setProperty(name, this.unmarshallerProperties.get(name));
        }
    }
    if (this.unmarshallerListener != null) {
        unmarshaller.setListener(this.unmarshallerListener);
    }
    if (this.validationEventHandler != null) {
        unmarshaller.setEventHandler(this.validationEventHandler);
    }
    if (this.adapters != null) {
        for (XmlAdapter<?, ?> adapter : this.adapters) {
            unmarshaller.setAdapter(adapter);
        }
    }
    if (this.schema != null) {
        unmarshaller.setSchema(this.schema);
    }
}

/**
 * Checks if the given adapter is applicable to the declared property type.
 */
private boolean isApplicable(XmlJavaTypeAdapter jta, T declaredType ) {
    if(jta==null)   return false;

    T type = reader().getClassValue(jta,"type");
    if(nav().isSameType(declaredType, type))
        return true;    // for types explicitly marked in XmlJavaTypeAdapter.type()

    T ad = reader().getClassValue(jta,"value");
    T ba = nav().getBaseClass(ad, nav().asDecl(XmlAdapter.class));
    if(!nav().isParameterizedType(ba))
        return true;   // can't check type applicability. assume Object, which means applicable to any.
    T inMemType = nav().getTypeArgument(ba, 1);

    return nav().isSubClassOf(declaredType,inMemType);
}

public TypeUse getTypeUse(XSSimpleType owner) {
    if(typeUse!=null)
        return typeUse;

    JCodeModel cm = getCodeModel();

    JDefinedClass a;
    try {
        a = cm._class(adapter);
        a.hide();   // we assume this is given by the user
        a._extends(cm.ref(XmlAdapter.class).narrow(String.class).narrow(
                cm.ref(type)));
    } catch (JClassAlreadyExistsException e) {
        a = e.getExistingClass();
    }

    // TODO: it's not correct to say that it adapts from String,
    // but OTOH I don't think we can compute that.
    typeUse = TypeUseFactory.adapt(
            CBuiltinLeafInfo.STRING,
            new CAdapter(a));

    return typeUse;
}

public JExpression createConstant(Outline outline, XmlString lexical) {
    if(isCollection())  return null;

    if(adapter==null)     return coreType.createConstant(outline, lexical);

    // [RESULT] new Adapter().unmarshal(CONSTANT);
    JExpression cons = coreType.createConstant(outline, lexical);
    Class<? extends XmlAdapter> atype = adapter.getAdapterIfKnown();

    // try to run the adapter now rather than later.
    if(cons instanceof JStringLiteral && atype!=null) {
        JStringLiteral scons = (JStringLiteral) cons;
        XmlAdapter a = ClassFactory.create(atype);
        try {
            Object value = a.unmarshal(scons.str);
            if(value instanceof String) {
                return JExpr.lit((String)value);
            }
        } catch (Exception e) {
            // assume that we can't eagerly bind this
        }
    }

    return JExpr._new(adapter.getAdapterClass(outline)).invoke("unmarshal").arg(cons);
}

static NClass getRef( final Class<? extends XmlAdapter> adapter, boolean copy ) {
    if(copy) {
        // TODO: this is a hack. the code generation should be defered until
        // the backend. (right now constant generation happens in the front-end)
        return new EagerNClass(adapter) {
            @Override
            public JClass toType(Outline o, Aspect aspect) {
                return o.addRuntime(adapter);
            }
            public String fullName() {
                // TODO: implement this method later
                throw new UnsupportedOperationException();
            }
        };
    } else {
        return NavigatorImpl.theInstance.ref(adapter);
    }
}

/**
 * Marshals each of the elements of the given {@link Iterable} using the given {@link XmlAdapter}.
 * 
 * @param source
 * @param adapter must not be {@literal null}.
 * @return
 * @throws Exception
 */
public static <T, S> List<S> marshal(Iterable<T> source, XmlAdapter<S, T> adapter) {

  Assert.notNull(adapter);

  if (source == null) {
    return Collections.emptyList();
  }

  List<S> result = new ArrayList<S>();

  for (T element : source) {
    try {
      result.add(adapter.marshal(element));
    } catch (Exception o_O) {
      throw new RuntimeException(o_O);
    }
  }

  return result;
}

/**
 * Checks if the given adapter is applicable to the declared property type.
 */
private boolean isApplicable(XmlJavaTypeAdapter jta, T declaredType ) {
    if(jta==null)   return false;

    T type = reader().getClassValue(jta,"type");
    if(nav().isSameType(declaredType, type))
        return true;    // for types explicitly marked in XmlJavaTypeAdapter.type()

    T ad = reader().getClassValue(jta,"value");
    T ba = nav().getBaseClass(ad, nav().asDecl(XmlAdapter.class));
    if(!nav().isParameterizedType(ba))
        return true;   // can't check type applicability. assume Object, which means applicable to any.
    T inMemType = nav().getTypeArgument(ba, 1);

    return nav().isSubClassOf(declaredType,inMemType);
}

public TypeUse getTypeUse(XSSimpleType owner) {
    if(typeUse!=null)
        return typeUse;

    JCodeModel cm = getCodeModel();

    JDefinedClass a;
    try {
        a = cm._class(adapter);
        a.hide();   // we assume this is given by the user
        a._extends(cm.ref(XmlAdapter.class).narrow(String.class).narrow(
                cm.ref(type)));
    } catch (JClassAlreadyExistsException e) {
        a = e.getExistingClass();
    }

    // TODO: it's not correct to say that it adapts from String,
    // but OTOH I don't think we can compute that.
    typeUse = TypeUseFactory.adapt(
            CBuiltinLeafInfo.STRING,
            new CAdapter(a));

    return typeUse;
}

public JExpression createConstant(Outline outline, XmlString lexical) {
    if(isCollection())  return null;

    if(adapter==null)     return coreType.createConstant(outline, lexical);

    // [RESULT] new Adapter().unmarshal(CONSTANT);
    JExpression cons = coreType.createConstant(outline, lexical);
    Class<? extends XmlAdapter> atype = adapter.getAdapterIfKnown();

    // try to run the adapter now rather than later.
    if(cons instanceof JStringLiteral && atype!=null) {
        JStringLiteral scons = (JStringLiteral) cons;
        XmlAdapter a = ClassFactory.create(atype);
        try {
            Object value = a.unmarshal(scons.str);
            if(value instanceof String) {
                return JExpr.lit((String)value);
            }
        } catch (Exception e) {
            // assume that we can't eagerly bind this
        }
    }

    return JExpr._new(adapter.getAdapterClass(outline)).invoke("unmarshal").arg(cons);
}

static NClass getRef( final Class<? extends XmlAdapter> adapter, boolean copy ) {
    if(copy) {
        // TODO: this is a hack. the code generation should be defered until
        // the backend. (right now constant generation happens in the front-end)
        return new EagerNClass(adapter) {
            @Override
            public JClass toType(Outline o, Aspect aspect) {
                return o.addRuntime(adapter);
            }
            public String fullName() {
                // TODO: implement this method later
                throw new UnsupportedOperationException();
            }
        };
    } else {
        return NavigatorImpl.theInstance.ref(adapter);
    }
}

/**
 * Checks if the given adapter is applicable to the declared property type.
 */
private boolean isApplicable(XmlJavaTypeAdapter jta, T declaredType) {
    if (jta == null)
        return false;
    T type = reader().getClassValue(jta, "type");
    if (declaredType.equals(type))
        return true; // for types explicitly marked in
                        // XmlJavaTypeAdapter.type()
    T ad = reader().getClassValue(jta, "value");
    T ba = nav().getBaseClass(ad, nav().asDecl(XmlAdapter.class));
    if (!nav().isParameterizedType(ba))
        return true; // can't check type applicability. assume Object, which
                        // means applicable to any.
    T inMemType = nav().getTypeArgument(ba, 1);
    return nav().isSubClassOf(declaredType, inMemType);
}

private void init(Method getter, Method setter, URI propUri, XmlAdapter<?, ?> adapter, XsdTypeMapper typeMapper){
    this.typeMapper = typeMapper;
    this.setter = setter;
    this.getter = getter;
    this.collection = Collection.class.isAssignableFrom(getter.getReturnType());
    this.array = getter.getReturnType().isArray();
    this.propUri = propUri;
    this.declaringClass = getter.getDeclaringClass();

    extractDataTypes();
    if(getter.getDeclaringClass() != getter.getDeclaringClass()){
        log.warn("Setter and getter defined in different classes {}, {}",getter.toGenericString(),setter.toGenericString());
    }

    this.functional = getter.isAnnotationPresent(OwlFunctionalDataProperty.class)
        || getter.isAnnotationPresent(OwlFunctionalObjectProperty.class);
}

/**
 * Template method that can be overridden by concrete JAXB marshallers for custom initialization behavior.
 * Gets called after creation of JAXB {@code Marshaller}, and after the respective properties have been set.
 * <p>The default implementation sets the {@link #setMarshallerProperties(Map) defined properties}, the {@link
 * #setValidationEventHandler(ValidationEventHandler) validation event handler}, the {@link #setSchemas(Resource[])
 * schemas}, {@link #setMarshallerListener(javax.xml.bind.Marshaller.Listener) listener}, and
 * {@link #setAdapters(XmlAdapter[]) adapters}.
 */
protected void initJaxbMarshaller(Marshaller marshaller) throws JAXBException {
    if (this.marshallerProperties != null) {
        for (String name : this.marshallerProperties.keySet()) {
            marshaller.setProperty(name, this.marshallerProperties.get(name));
        }
    }
    if (this.marshallerListener != null) {
        marshaller.setListener(this.marshallerListener);
    }
    if (this.validationEventHandler != null) {
        marshaller.setEventHandler(this.validationEventHandler);
    }
    if (this.adapters != null) {
        for (XmlAdapter<?, ?> adapter : this.adapters) {
            marshaller.setAdapter(adapter);
        }
    }
    if (this.schema != null) {
        marshaller.setSchema(this.schema);
    }
}

/**
 * Template method that can be overridden by concrete JAXB marshallers for custom initialization behavior.
 * Gets called after creation of JAXB {@code Marshaller}, and after the respective properties have been set.
 * <p>The default implementation sets the {@link #setUnmarshallerProperties(Map) defined properties}, the {@link
 * #setValidationEventHandler(ValidationEventHandler) validation event handler}, the {@link #setSchemas(Resource[])
 * schemas}, {@link #setUnmarshallerListener(javax.xml.bind.Unmarshaller.Listener) listener}, and
 * {@link #setAdapters(XmlAdapter[]) adapters}.
 */
protected void initJaxbUnmarshaller(Unmarshaller unmarshaller) throws JAXBException {
    if (this.unmarshallerProperties != null) {
        for (String name : this.unmarshallerProperties.keySet()) {
            unmarshaller.setProperty(name, this.unmarshallerProperties.get(name));
        }
    }
    if (this.unmarshallerListener != null) {
        unmarshaller.setListener(this.unmarshallerListener);
    }
    if (this.validationEventHandler != null) {
        unmarshaller.setEventHandler(this.validationEventHandler);
    }
    if (this.adapters != null) {
        for (XmlAdapter<?, ?> adapter : this.adapters) {
            unmarshaller.setAdapter(adapter);
        }
    }
    if (this.schema != null) {
        unmarshaller.setSchema(this.schema);
    }
}

/**
 * Checks if the given adapter is applicable to the declared property type.
 */
private boolean isApplicable(XmlJavaTypeAdapter jta, T declaredType ) {
    if(jta==null)   return false;

    T type = reader().getClassValue(jta,"type");
    if(nav().isSameType(declaredType, type))
        return true;    // for types explicitly marked in XmlJavaTypeAdapter.type()

    T ad = reader().getClassValue(jta,"value");
    T ba = nav().getBaseClass(ad, nav().asDecl(XmlAdapter.class));
    if(!nav().isParameterizedType(ba))
        return true;   // can't check type applicability. assume Object, which means applicable to any.
    T inMemType = nav().getTypeArgument(ba, 1);

    return nav().isSubClassOf(declaredType,inMemType);
}