Examples of java.beans.IntrospectionException

java.beans.IntrospectionException
Thrown when an exception happens during Introspection.
Typical causes include not being able to map a string class name to a Class object, not being able to resolve a string method name, or specifying a method name that has the wrong type signature for its intended use.

            throws IntrospectionException {


        super(propertyName, null, null);


        if (propertyName == null || propertyName.length() == 0) {
            throw new IntrospectionException("bad property name: " +
                    propertyName);
        }
        setName(propertyName);


        // search the mapped get and set methods

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            throws IntrospectionException {


        super(propertyName, mappedGetter, mappedSetter);


        if (propertyName == null || propertyName.length() == 0) {
            throw new IntrospectionException("bad property name: " +
                    propertyName);
        }


        setName(propertyName);
        mappedReadMethod = mappedGetter;

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    private void findMappedPropertyType() throws IntrospectionException {
        try {
            mappedPropertyType = null;
            if (mappedReadMethod != null) {
                if (mappedReadMethod.getParameterTypes().length != 1) {
                    throw new IntrospectionException
                            ("bad mapped read method arg count");
                }
                mappedPropertyType = mappedReadMethod.getReturnType();
                if (mappedPropertyType == Void.TYPE) {
                    throw new IntrospectionException
                            ("mapped read method " +
                            mappedReadMethod.getName() + " returns void");
                }
            }


            if (mappedWriteMethod != null) {
                Class params[] = mappedWriteMethod.getParameterTypes();
                if (params.length != 2) {
                    throw new IntrospectionException
                            ("bad mapped write method arg count");
                }
                if (mappedPropertyType != null &&
                        mappedPropertyType != params[1]) {
                    throw new IntrospectionException
                            ("type mismatch between mapped read and write methods");
                }
                mappedPropertyType = params[1];
            }
        } catch (IntrospectionException ex) {

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        if (m != null) {
            return m;
        }


        // We failed to find a suitable method
        throw new IntrospectionException("No method \"" + methodName +
                "\" with " + argCount + " arg(s)");
    }

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        if (m != null) {
            return m;
        }


        // We failed to find a suitable method
        throw new IntrospectionException("No method \"" + methodName +
                "\" with " + argCount + " arg(s) of matching types.");
    }

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    public Beanspector<T> setValue(String setterName, Object value) throws Throwable {
        Method m = setters.get(setterName);
        if (m == null) {
            String msg = String.format("Setter '%s' not found, " + "known setters are: %s", setterName,
                                       setters.keySet());
            throw new IntrospectionException(msg);
        }
        setValue(m, value);
        return this;
    }

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  public ExtendedPropertyDescriptor addProperty(String propertyName) {
    ExtendedPropertyDescriptor descriptor;
    try {
      if (propertyName == null || propertyName.trim().length() == 0) {
        throw new IntrospectionException("bad property name");
      }


      descriptor = ExtendedPropertyDescriptor
       .newPropertyDescriptor(propertyName, getType());

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    // the same initialization phase as in the PropertyDescriptor
    Method readMethod = BeanUtils.getReadMethod(beanClass, propertyName);
    Method writeMethod = null;


    if (readMethod == null) {
      throw new IntrospectionException(
        "No getter for property "
          + propertyName
          + " in class "
          + beanClass.getName());
    }

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            throws IntrospectionException {


        super(propertyName, null, null);
        
        if (propertyName == null || propertyName.length() == 0) {
            throw new IntrospectionException("bad property name: " +
                    propertyName + " on class: " + beanClass.getClass().getName());
        }


        setName(propertyName);
        String base = capitalize(propertyName);


        // Look for mapped get and set methods
        try {
            mappedReadMethod = findMethod(beanClass, "get" + base, 1,
                    stringClassArray);
            Class params[] = { String.class, mappedReadMethod.getReturnType() };
            mappedWriteMethod = findMethod(beanClass, "set" + base, 2,  params);
        } catch (IntrospectionException e) {
            ;
        }


        if ((mappedReadMethod == null) && (mappedWriteMethod == null)) {
            throw new IntrospectionException("Property '" + propertyName +
                    "' not found on " +
                    beanClass.getName());
        }
        
        findMappedPropertyType();

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            throws IntrospectionException {


        super(propertyName, null, null);


        if (propertyName == null || propertyName.length() == 0) {
            throw new IntrospectionException("bad property name: " +
                    propertyName);
        }
        setName(propertyName);


        // search the mapped get and set methods

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