Quelle Introspector.java Sprache: JAVA

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import java.util.ArrayList;
import java.util.List;

import com.sun.star.beans.IllegalTypeException;
import com.sun.star.beans.MethodConcept;
import com.sun.star.beans.Property;
import com.sun.star.beans.XIntrospection;
import com.sun.star.beans.XIntrospectionAccess;
import com.sun.star.container.XEnumeration;
import com.sun.star.container.XEnumerationAccess;
import com.sun.star.container.XHierarchicalNameAccess;
import com.sun.star.container.XIndexAccess;
import com.sun.star.lang.XMultiComponentFactory;
import com.sun.star.lang.XServiceInfo;
import com.sun.star.lang.XTypeProvider;
import com.sun.star.lib.uno.helper.WeakBase;
import com.sun.star.reflection.TypeDescriptionSearchDepth;
import com.sun.star.reflection.XConstantTypeDescription;
import com.sun.star.reflection.XConstantsTypeDescription;
import com.sun.star.reflection.XIdlClass;
import com.sun.star.reflection.XIdlMethod;
import com.sun.star.reflection.XIdlReflection;
import com.sun.star.reflection.XIndirectTypeDescription;
import com.sun.star.reflection.XInterfaceTypeDescription;
import com.sun.star.reflection.XPropertyTypeDescription;
import com.sun.star.reflection.XServiceTypeDescription;
import com.sun.star.reflection.XTypeDescription;
import com.sun.star.reflection.XTypeDescriptionEnumeration;
import com.sun.star.reflection.XTypeDescriptionEnumerationAccess;
import com.sun.star.ucb.XSimpleFileAccess;
import com.sun.star.uno.AnyConverter;
import com.sun.star.uno.Type;
import com.sun.star.uno.TypeClass;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.XComponentContext;

public class Introspector extends WeakBase{

    private XIntrospection m_xIntrospection;
    private XMultiComponentFactory m_xMultiComponentFactory;
    private XComponentContext m_xComponentContext;
    private XTypeDescriptionEnumerationAccess m_xTDEnumerationAccess;
    private XIdlReflection mxIdlReflection;
    private static Introspector m_oIntrospector = null;
    private XSimpleFileAccess xSimpleFileAccess = null;

    public static Introspector getIntrospector(){
        if (m_oIntrospector == null){
            throw new NullPointerException();
        }
        else{
            return m_oIntrospector;
        }
    }

    public static Introspector getIntrospector(XComponentContext _xComponentContext){
        if (m_oIntrospector == null){
            m_oIntrospector =  new Introspector(_xComponentContext);
        }
        return m_oIntrospector;
    }

    /** Creates a new instance of Introspection */
    private Introspector(XComponentContext _xComponentContext) {
    try{
        m_xComponentContext = _xComponentContext;
        m_xMultiComponentFactory = m_xComponentContext.getServiceManager();
        Object o = m_xMultiComponentFactory.createInstanceWithContext("com.sun.star.beans.Introspection", m_xComponentContext);
        m_xIntrospection = UnoRuntime.queryInterface(XIntrospection.class, o );
        Object oCoreReflection = getXMultiComponentFactory().createInstanceWithContext("com.sun.star.reflection.CoreReflection", getXComponentContext());
        mxIdlReflection = UnoRuntime.queryInterface(XIdlReflection.class, oCoreReflection);
        initTypeDescriptionManager();
    }
    catch( Exception exception ) {
        System.err.println( exception );
    }}

    protected XComponentContext getXComponentContext(){
        return m_xComponentContext;
    }

    private XMultiComponentFactory getXMultiComponentFactory(){
        return m_xMultiComponentFactory;
    }

    protected XIntrospectionAccess getXIntrospectionAccess(Object _oUnoComponent){
        return m_xIntrospection.inspect(_oUnoComponent);
    }

    public boolean isContainer(Object _oUnoObject){
    boolean bIsContainer = false;
    try {
        XIntrospectionAccess xIntrospectionAccessObject = getXIntrospectionAccess(_oUnoObject);
        if (xIntrospectionAccessObject != null){
            XEnumerationAccess xEnumerationAccess = UnoRuntime.queryInterface(XEnumerationAccess.class, xIntrospectionAccessObject.queryAdapter( new Type( XEnumerationAccess.class ) ) );
            if (xEnumerationAccess != null){
                XEnumeration xEnumeration = xEnumerationAccess.createEnumeration();
                bIsContainer = xEnumeration.hasMoreElements();
            }
            if (!bIsContainer){
                XIndexAccess xIndexAccess = UnoRuntime.queryInterface( XIndexAccess.class, xIntrospectionAccessObject.queryAdapter(new Type( XIndexAccess.class )));
                if (xIndexAccess != null){
                    bIsContainer = (xIndexAccess.getCount() > 0);
                }
            }
        }
    } catch (IllegalTypeException ex) {
        ex.printStackTrace(System.err);
    }
        return bIsContainer;
    }

    //  add all containers for the given object to the tree under the node
    //  parent
    public Object[] getUnoObjectsOfContainer(Object _oUnoParentObject) {
    Object[] oRetComponents = null;
    try {
        ArrayList<Object> oRetComponentsVector = new ArrayList<Object>();
        XIntrospectionAccess xIntrospectionAccessObject = getXIntrospectionAccess(_oUnoParentObject);
        if ( xIntrospectionAccessObject != null ) {
            XEnumerationAccess xEnumerationAccess = UnoRuntime.queryInterface(XEnumerationAccess.class, xIntrospectionAccessObject.queryAdapter( new Type( XEnumerationAccess.class ) ) );
            if ( xEnumerationAccess != null ) {
                XEnumeration xEnumeration = xEnumerationAccess.createEnumeration();
                while ( xEnumeration.hasMoreElements() ) {
                    oRetComponentsVector.add(xEnumeration.nextElement());
                }
            }
            XIndexAccess xIndexAccess = UnoRuntime.queryInterface( XIndexAccess.class, xIntrospectionAccessObject.queryAdapter(new Type( XIndexAccess.class )));
            if ( xIndexAccess != null ) {
                XIdlMethod mMethod = xIntrospectionAccessObject.getMethod("getByIndex", com.sun.star.beans.MethodConcept.INDEXCONTAINER);
                for ( int i = 0; i < xIndexAccess.getCount(); i++ ) {
                    Object[][] aParamInfo = new Object[1][1];
                    aParamInfo[0] = new Integer[] { Integer.valueOf(i) };
                    oRetComponentsVector.add(mMethod.invoke(_oUnoParentObject, aParamInfo));
                }
            }
        }
        if (oRetComponentsVector != null){
            oRetComponents = new Object[oRetComponentsVector.size()];
            oRetComponentsVector.toArray(oRetComponents);
        }
    }
    catch( Exception exception ) {
        System.err.println( exception );
    }
    return oRetComponents;
    }

    protected XIdlMethod[] getMethodsOfInterface(Type _aType){
    try{
        XIdlClass xIdlClass = mxIdlReflection.forName(_aType.getTypeName());
        return xIdlClass.getMethods();
    }
    catch( Exception e ) {
        System.err.println( e );
        return null;
    }}

    public boolean hasMethods(Object _oUnoObject){
        boolean bHasMethods = (getMethods(_oUnoObject).length > 0);
        return bHasMethods;
    }

    //  add all methods for the given object to the tree under the node parent
    public XIdlMethod[] getMethods(Object _oUnoParentObject) {
    try {
        XIntrospectionAccess xIntrospectionAccess = getXIntrospectionAccess(_oUnoParentObject);
        if (xIntrospectionAccess != null){
            XIdlMethod[] xIdlMethods = xIntrospectionAccess.getMethods(MethodConcept.ALL - MethodConcept.DANGEROUS);
            return xIdlMethods;
        }
    }
    catch( Exception e ) {
        System.err.println( e );
    }
    return null;
    }

    public boolean hasProperties(Object _oUnoObject){
        boolean bHasProperties = (getProperties(_oUnoObject).length > 0);
        return bHasProperties;
    }

    protected Property[] getProperties( Object _oUnoParentObject){
    try {
        XIntrospectionAccess xIntrospectionAccess = getXIntrospectionAccess(_oUnoParentObject);
        if (xIntrospectionAccess != null){
            Property[] aProperties = xIntrospectionAccess.getProperties(com.sun.star.beans.PropertyConcept.ATTRIBUTES + com.sun.star.beans.PropertyConcept.PROPERTYSET);
            return aProperties;
        }
    }
    catch( Exception e ) {
        System.err.println( e );
    }
        return null;
    }

    protected Property[] getProperties(Object _oUnoObject, String _sServiceName){
        Property[] aProperties = getProperties(_oUnoObject);
        List<Property> aListOfProperties = java.util.Arrays.asList(aProperties);
        ArrayList<Property> aPropertiesVector = new ArrayList<Property>(aListOfProperties);
        if (aProperties != null){
            XPropertyTypeDescription[] xPropertyTypeDescriptions = getPropertyDescriptionsOfService(_sServiceName);
            for (int i = aProperties.length - 1; i >= 0; i--){
                if (!hasByName(xPropertyTypeDescriptions, _sServiceName + "." + aProperties[i].Name)){
                    aPropertiesVector.remove(i);
                }
            }
        }
        Property[] aRetProperties = new Property[aPropertiesVector.size()];
        aPropertiesVector.toArray(aRetProperties);
        return aRetProperties;
    }

    protected Type[] getInterfaces(Object _oUnoObject, String _sServiceName){
        Type[] aTypes = getInterfaces(_oUnoObject);
        List<Type> aListOfTypes = java.util.Arrays.asList(aTypes);
        ArrayList<Type> aTypesVector = new ArrayList<Type>(aListOfTypes);
        if (aTypes != null){
            XInterfaceTypeDescription[] xInterfaceTypeDescriptions = getInterfaceDescriptionsOfService(_sServiceName);
            for (int i = aTypes.length - 1; i >= 0; i--){
                if (!hasByName(xInterfaceTypeDescriptions, aTypes[i].getTypeName())){
                    aTypesVector.remove(i);
                }
            }
        }
        Type[] aRetTypes = new Type[aTypesVector.size()];
        aTypesVector.toArray(aRetTypes);
        return aRetTypes;
    }

    public boolean hasInterfaces(Object _oUnoObject){
        return (getInterfaces(_oUnoObject).length > 0);
    }

    protected Type[] getInterfaces(Object _oUnoParentObject){
        Type[] aTypes = new Type[]{};
        XTypeProvider xTypeProvider = UnoRuntime.queryInterface( XTypeProvider.class, _oUnoParentObject);
        if ( xTypeProvider != null ) {
            aTypes = xTypeProvider.getTypes();
        }
        return aTypes;
    }

    public static boolean isObjectSequence(Object _oUnoObject){
        Type aType = AnyConverter.getType(_oUnoObject);
        return aType.getTypeClass().getValue() == TypeClass.SEQUENCE_value;
    }

    public static boolean isObjectPrimitive(Object _oUnoObject){
        boolean breturn = false;
        if (_oUnoObject != null){
            Type aType = AnyConverter.getType(_oUnoObject);
            breturn = isObjectPrimitive(_oUnoObject.getClass(), aType.getTypeClass());
        }
        return breturn;
    }

    public static boolean isPrimitive(TypeClass _typeClass){
               return (( _typeClass == TypeClass.BOOLEAN )
                     || ( _typeClass == TypeClass.BYTE )
                     || ( _typeClass == TypeClass.CHAR )
                     || ( _typeClass == TypeClass.DOUBLE )
                     || ( _typeClass == TypeClass.ENUM )
                     || ( _typeClass == TypeClass.FLOAT )
                     || ( _typeClass == TypeClass.HYPER )
                     || ( _typeClass == TypeClass.LONG )
                     || ( _typeClass == TypeClass.SHORT )
                     || ( _typeClass == TypeClass.STRING )
                     || ( _typeClass == TypeClass.UNSIGNED_HYPER )
                     || ( _typeClass == TypeClass.UNSIGNED_LONG )
                     || ( _typeClass == TypeClass.UNSIGNED_SHORT ));
    }

    public static boolean isObjectPrimitive(Class<? extends Object> _oUnoClass, TypeClass _typeClass){
        return !( ( !_oUnoClass.isPrimitive() ) && ( _typeClass != TypeClass.ARRAY )
                                                         && ( _typeClass != TypeClass.BOOLEAN )
                                                         && ( _typeClass != TypeClass.BYTE )
                                                         && ( _typeClass != TypeClass.CHAR )
                                                         && ( _typeClass != TypeClass.DOUBLE )
                                                         && ( _typeClass != TypeClass.ENUM )
                                                         && ( _typeClass != TypeClass.FLOAT )
                                                         && ( _typeClass != TypeClass.HYPER )
                                                         && ( _typeClass != TypeClass.LONG )
                                                         && ( _typeClass != TypeClass.SHORT )
                                                         && ( _typeClass != TypeClass.STRING )
                                                         && ( _typeClass != TypeClass.UNSIGNED_HYPER )
                                                         && ( _typeClass != TypeClass.UNSIGNED_LONG )
                                                         && ( _typeClass != TypeClass.UNSIGNED_SHORT ));
    }

    private void initTypeDescriptionManager() {
    try {
        Object oTypeDescriptionManager = getXComponentContext().getValueByName("/singletons/com.sun.star.reflection.theTypeDescriptionManager");
        m_xTDEnumerationAccess = UnoRuntime.queryInterface(XTypeDescriptionEnumerationAccess.class, oTypeDescriptionManager);
    } catch ( java.lang.Exception e) {
        System.out.println(System.out);
    }}

    private XTypeDescriptionEnumerationAccess getXTypeDescriptionEnumerationAccess(){
        return m_xTDEnumerationAccess;
    }

    protected XConstantTypeDescription[] getFieldsOfConstantGroup(String _sTypeClass){
    XConstantTypeDescription[] xConstantTypeDescriptions = null;
    try {
        TypeClass[] eTypeClasses = new com.sun.star.uno.TypeClass[1];
        eTypeClasses[0] = com.sun.star.uno.TypeClass.CONSTANTS;
        XTypeDescriptionEnumeration xTDEnumeration = m_xTDEnumerationAccess.createTypeDescriptionEnumeration(getModuleName(_sTypeClass), eTypeClasses, TypeDescriptionSearchDepth.INFINITE);
        while (xTDEnumeration.hasMoreElements()) {
            XTypeDescription xTD = xTDEnumeration.nextTypeDescription();
            if (xTD.getName().equals(_sTypeClass)){
                XConstantsTypeDescription xConstantsTypeDescription = UnoRuntime.queryInterface(XConstantsTypeDescription.class, xTD);
                xConstantTypeDescriptions = xConstantsTypeDescription.getConstants();
            }
            String sName = xTD.getName();
        }
        return xConstantTypeDescriptions;
    } catch ( java.lang.Exception e) {
        System.out.println(System.out);
    }
        return null;
    }

    private XServiceTypeDescription getServiceTypeDescription(String _sServiceName, TypeClass _eTypeClass){
    try{
        if (_sServiceName.length() > 0){
            TypeClass[] eTypeClasses = new com.sun.star.uno.TypeClass[2];
            eTypeClasses[0] = com.sun.star.uno.TypeClass.SERVICE;
            eTypeClasses[1] = _eTypeClass;
            XTypeDescriptionEnumeration xTDEnumeration = getXTypeDescriptionEnumerationAccess().createTypeDescriptionEnumeration(Introspector.getModuleName(_sServiceName), eTypeClasses, TypeDescriptionSearchDepth.INFINITE);
            while (xTDEnumeration.hasMoreElements()) {
                XTypeDescription xTD = xTDEnumeration.nextTypeDescription();
                if (xTD.getName().equals(_sServiceName)){
                    XServiceTypeDescription xServiceTypeDescription = UnoRuntime.queryInterface(XServiceTypeDescription.class, xTD);
                    return xServiceTypeDescription;
                }
            }
        }
        return null;
    } catch (Exception ex) {
        ex.printStackTrace(System.err);
        return null;
    }}

    public XPropertyTypeDescription[] getPropertyDescriptionsOfService(String _sServiceName){
    try {
        XServiceTypeDescription xServiceTypeDescription = getServiceTypeDescription(_sServiceName, com.sun.star.uno.TypeClass.PROPERTY);
        if (xServiceTypeDescription != null){
            XPropertyTypeDescription[] xPropertyTypeDescriptions = xServiceTypeDescription.getProperties();
            return xPropertyTypeDescriptions;
        }
    } catch ( java.lang.Exception e) {
        System.out.println(System.out);
    }
    return new XPropertyTypeDescription[]{};
    }

    public XTypeDescription getReferencedType(String _sTypeName){
    XTypeDescription xTypeDescription = null;
    try{
        XHierarchicalNameAccess xHierarchicalNameAccess = UnoRuntime.queryInterface(XHierarchicalNameAccess.class, m_xTDEnumerationAccess);
        if (xHierarchicalNameAccess != null){
            if (xHierarchicalNameAccess.hasByHierarchicalName(_sTypeName)){
                XIndirectTypeDescription xIndirectTypeDescription = UnoRuntime.queryInterface(XIndirectTypeDescription.class, xHierarchicalNameAccess.getByHierarchicalName(_sTypeName));
                if (xIndirectTypeDescription != null){
                    xTypeDescription = xIndirectTypeDescription.getReferencedType();
                }
            }
        }
    } catch (Exception ex) {
        ex.printStackTrace(System.err);
    }
        return xTypeDescription;
    }

    private XInterfaceTypeDescription[] getInterfaceDescriptionsOfService(String _sServiceName){
    try {
        XServiceTypeDescription xServiceTypeDescription = getServiceTypeDescription(_sServiceName, com.sun.star.uno.TypeClass.INTERFACE);
        if (xServiceTypeDescription != null){
            XInterfaceTypeDescription[] xInterfaceTypeDescriptions = xServiceTypeDescription.getMandatoryInterfaces();
            return xInterfaceTypeDescriptions;
        }
    } catch ( java.lang.Exception e) {
        System.out.println(System.out);
    }
        return new XInterfaceTypeDescription[]{};
    }

    private static boolean hasByName(XTypeDescription[] _xTypeDescriptions, String _sTypeName){
        for (int i = 0; i < _xTypeDescriptions.length; i++){
            if (_xTypeDescriptions[i].getName().equals(_sTypeName)){
                return true;
            }
        }
        return false;
    }

    public static String getModuleName(String _sTypeClass){
        int nlastindex = _sTypeClass.lastIndexOf(".");
        if (nlastindex > -1){
            return _sTypeClass.substring(0, nlastindex);
        }
        else{
            return "";
        }
    }

    public static String getShortClassName(String _sClassName){
        String sShortClassName = _sClassName;
        int nindex = _sClassName.lastIndexOf(".");
        if ((nindex < _sClassName.length()) && nindex > -1){
            sShortClassName = _sClassName.substring(nindex + 1);
        }
        return sShortClassName;
    }

    public static boolean isUnoTypeObject(Object _oUnoObject){
        return isOfUnoType(_oUnoObject, "com.sun.star.uno.Type");
    }

    public static boolean isUnoPropertyTypeObject(Object _oUnoObject){
        return isOfUnoType(_oUnoObject, "com.sun.star.beans.Property");
    }

    public static boolean isUnoPropertyValueTypeObject(Object _oUnoObject){
        return isOfUnoType(_oUnoObject, "com.sun.star.beans.PropertyValue");
    }

    private static boolean isOfUnoType(Object _oUnoObject, String _sTypeName){
        boolean bIsUnoObject = false;
        if (_oUnoObject != null){
            if (_oUnoObject.getClass().isArray()){
                if (!_oUnoObject.getClass().getComponentType().isPrimitive()){
                    Object[] oUnoArray = (Object[]) _oUnoObject;
                    if (oUnoArray.length > 0){
                        bIsUnoObject = ( oUnoArray[0].getClass().getName().equals(_sTypeName));
                    }
                }
            }
        }
        else{
            bIsUnoObject = (_oUnoObject.getClass().getName().equals(_sTypeName));
        }
        return bIsUnoObject;
    }

    public String getConstantDisplayString(int _nValue, XConstantTypeDescription[] _xConstantTypeDescription, String _sDisplayString){
        String sPrefix = "";
        int[] nbits = new int[_xConstantTypeDescription.length];
        for (int i = 0; i < _xConstantTypeDescription.length; i++){
            short nConstantValue = ((Short) _xConstantTypeDescription[i].getConstantValue()).shortValue();
            nbits[i] = _nValue & nConstantValue;
            if (nbits[i] > 0){
                _sDisplayString += sPrefix + _xConstantTypeDescription[i].getName();
                sPrefix = " + ";
            }
        }
        return _sDisplayString;
    }

    public static boolean isValid(Object[] _oObject){
        if (_oObject != null){
            if (_oObject.length > 0){
                return true;
            }
        }
        return false;
    }

    public static boolean isArray(Object _oObject){
        return _oObject.getClass().isArray();
    }

    public boolean hasSupportedServices(Object _oUnoObject){
        boolean bHasSupportedServices = false;
        XServiceInfo xServiceInfo = UnoRuntime.queryInterface( XServiceInfo.class, _oUnoObject);
        if ( xServiceInfo != null ){
            String[] sSupportedServiceNames = xServiceInfo.getSupportedServiceNames();
            bHasSupportedServices = sSupportedServiceNames.length > 0;
        }
        return bHasSupportedServices;
    }

    public Object getValueOfText(TypeClass aTypeClass, String sText){
        Object oReturn = null;
        switch (aTypeClass.getValue()){
            case TypeClass.CHAR_value:
                break;
            case TypeClass.DOUBLE_value:
                oReturn = Double.valueOf(sText);
                break;
            case TypeClass.ENUM_value:
                break;
            case TypeClass.FLOAT_value:
                oReturn = Float.valueOf(sText);
                break;
            case TypeClass.HYPER_value:
                oReturn = Long.valueOf(sText);
                break;
            case TypeClass.LONG_value:
                oReturn = Integer.valueOf(sText);
                break;
            case TypeClass.SHORT_value:
                oReturn = Byte.valueOf(sText);
                break;
            case TypeClass.STRING_value:
                oReturn = sText;
                break;
            case TypeClass.UNSIGNED_HYPER_value:
                oReturn = Long.valueOf(sText);
                break;
            case TypeClass.UNSIGNED_LONG_value:
                oReturn = Integer.valueOf(sText);
                break;
            case TypeClass.UNSIGNED_SHORT_value:
                oReturn = Byte.valueOf(sText);
                break;
            default:
        }
        return oReturn;
    }

    public XSimpleFileAccess getXSimpleFileAccess(){
    try {
        if (xSimpleFileAccess == null){
            Object oSimpleFileAccess = m_xComponentContext.getServiceManager().createInstanceWithContext("com.sun.star.ucb.SimpleFileAccess", m_xComponentContext);
            xSimpleFileAccess = com.sun.star.uno.UnoRuntime.queryInterface(XSimpleFileAccess.class, oSimpleFileAccess);
        }
        return xSimpleFileAccess;
    } catch (com.sun.star.uno.Exception ex) {
        ex.printStackTrace(System.err);
        return null;
    }}

    public boolean isValidSDKInstallationPath(String _sSDKInstallationPath){
    boolean bIsValid = false;
    try {
        String sIDLFolder = Introspector.addToPath(_sSDKInstallationPath, Inspector.sIDLDOCUMENTSUBFOLDER);
        String sIndexFile = Introspector.addToPath(_sSDKInstallationPath, "index.html");
        if (getXSimpleFileAccess() != null){
            bIsValid = (getXSimpleFileAccess().exists(sIDLFolder) && getXSimpleFileAccess().exists(sIndexFile));
        }
    } catch (com.sun.star.uno.Exception ex) {
        ex.printStackTrace(System.err);
    }
        return bIsValid;
    }

    public static String addToPath(String _sPath, String _sSubPath){
        if (!_sPath.endsWith("/")){
            _sPath += "/";
        }
        return _sPath + _sSubPath;
    }

}

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