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/*
* Copyright 2001-2006 Stephen Colebourne
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.joda.time;
/**
* Exception thrown when attempting to set a field outside its supported range.
*
* @author Brian S O'Neill
* @since 1.1
*/
public class IllegalFieldValueException extends IllegalArgumentException {
/** Serialization lock. */
private static final long serialVersionUID = 6305711765985447737L;
/**
* Creates a message for the exception.
*
* @param fieldName the field name
* @param value the value rejected
* @param lowerBound the lower bound allowed
* @param upperBound the uppe bound allowed
* @param explain an explanation
* @return the message
*/
private static String createMessage(String fieldName, Number value,
Number lowerBound, Number upperBound, String explain) {
StringBuilder buf = new StringBuilder()
.append("Value ").append(value).append(" for ").append(fieldName).append(' ');
if (lowerBound == null) {
if (upperBound == null) {
buf.append("is not supported");
} else {
buf.append("must not be larger than ").append(upperBound);
}
} else if (upperBound == null) {
buf.append("must not be smaller than ").append(lowerBound);
} else {
buf.append("must be in the range [")
.append(lowerBound)
.append(',')
.append(upperBound)
.append(']');
}
if (explain != null) {
buf.append(": ").append(explain);
}
return buf.toString();
}
/**
* Creates a message for the exception.
*
* @param fieldName the field name
* @param value the value rejected
* @return the message
*/
private static String createMessage(String fieldName, String value) {
StringBuffer buf = new StringBuffer().append("Value ");
if (value == null) {
buf.append("null");
} else {
buf.append('"');
buf.append(value);
buf.append('"');
}
buf.append(" for ").append(fieldName).append(' ').append("is not supported");
return buf.toString();
}
private final DateTimeFieldType iDateTimeFieldType;
private final DurationFieldType iDurationFieldType;
private final String iFieldName;
private final Number iNumberValue;
private final String iStringValue;
private final Number iLowerBound;
private final Number iUpperBound;
private String iMessage;
/**
* Constructor.
*
* @param fieldType type of field being set
* @param value illegal value being set
* @param lowerBound lower legal field value, or null if not applicable
* @param upperBound upper legal field value, or null if not applicable
*/
public IllegalFieldValueException(DateTimeFieldType fieldType,
Number value, Number lowerBound, Number upperBound) {
super(createMessage(fieldType.getName(), value, lowerBound, upperBound, null));
iDateTimeFieldType = fieldType;
iDurationFieldType = null;
iFieldName = fieldType.getName();
iNumberValue = value;
iStringValue = null;
iLowerBound = lowerBound;
iUpperBound = upperBound;
iMessage = super.getMessage();
}
/**
* Constructor.
*
* @param fieldType type of field being set
* @param value illegal value being set
* @param explain an explanation
* @since 1.5
*/
public IllegalFieldValueException(DateTimeFieldType fieldType,
Number value, String explain) {
super(createMessage(fieldType.getName(), value, null, null, explain));
iDateTimeFieldType = fieldType;
iDurationFieldType = null;
iFieldName = fieldType.getName();
iNumberValue = value;
iStringValue = null;
iLowerBound = null;
iUpperBound = null;
iMessage = super.getMessage();
}
/**
* Constructor.
*
* @param fieldType type of field being set
* @param value illegal value being set
* @param lowerBound lower legal field value, or null if not applicable
* @param upperBound upper legal field value, or null if not applicable
*/
public IllegalFieldValueException(DurationFieldType fieldType,
Number value, Number lowerBound, Number upperBound) {
super(createMessage(fieldType.getName(), value, lowerBound, upperBound, null));
iDateTimeFieldType = null;
iDurationFieldType = fieldType;
iFieldName = fieldType.getName();
iNumberValue = value;
iStringValue = null;
iLowerBound = lowerBound;
iUpperBound = upperBound;
iMessage = super.getMessage();
}
/**
* Constructor.
*
* @param fieldName name of field being set
* @param value illegal value being set
* @param lowerBound lower legal field value, or null if not applicable
* @param upperBound upper legal field value, or null if not applicable
*/
public IllegalFieldValueException(String fieldName,
Number value, Number lowerBound, Number upperBound) {
super(createMessage(fieldName, value, lowerBound, upperBound, null));
iDateTimeFieldType = null;
iDurationFieldType = null;
iFieldName = fieldName;
iNumberValue = value;
iStringValue = null;
iLowerBound = lowerBound;
iUpperBound = upperBound;
iMessage = super.getMessage();
}
/**
* Constructor.
*
* @param fieldType type of field being set
* @param value illegal value being set
*/
public IllegalFieldValueException(DateTimeFieldType fieldType, String value) {
super(createMessage(fieldType.getName(), value));
iDateTimeFieldType = fieldType;
iDurationFieldType = null;
iFieldName = fieldType.getName();
iStringValue = value;
iNumberValue = null;
iLowerBound = null;
iUpperBound = null;
iMessage = super.getMessage();
}
/**
* Constructor.
*
* @param fieldType type of field being set
* @param value illegal value being set
*/
public IllegalFieldValueException(DurationFieldType fieldType, String value) {
super(createMessage(fieldType.getName(), value));
iDateTimeFieldType = null;
iDurationFieldType = fieldType;
iFieldName = fieldType.getName();
iStringValue = value;
iNumberValue = null;
iLowerBound = null;
iUpperBound = null;
iMessage = super.getMessage();
}
/**
* Constructor.
*
* @param fieldName name of field being set
* @param value illegal value being set
*/
public IllegalFieldValueException(String fieldName, String value) {
super(createMessage(fieldName, value));
iDateTimeFieldType = null;
iDurationFieldType = null;
iFieldName = fieldName;
iStringValue = value;
iNumberValue = null;
iLowerBound = null;
iUpperBound = null;
iMessage = super.getMessage();
}
//-----------------------------------------------------------------------
/**
* Returns the DateTimeFieldType whose value was invalid, or null if not applicable.
*
* @return the datetime field type
*/
public DateTimeFieldType getDateTimeFieldType() {
return iDateTimeFieldType;
}
/**
* Returns the DurationFieldType whose value was invalid, or null if not applicable.
*
* @return the duration field type
*/
public DurationFieldType getDurationFieldType() {
return iDurationFieldType;
}
/**
* Returns the name of the field whose value was invalid.
*
* @return the field name
*/
public String getFieldName() {
return iFieldName;
}
/**
* Returns the illegal integer value assigned to the field, or null if not applicable.
*
* @return the value
*/
public Number getIllegalNumberValue() {
return iNumberValue;
}
/**
* Returns the illegal string value assigned to the field, or null if not applicable.
*
* @return the value
*/
public String getIllegalStringValue() {
return iStringValue;
}
/**
* Returns the illegal value assigned to the field as a non-null string.
*
* @return the value
*/
public String getIllegalValueAsString() {
String value = iStringValue;
if (value == null) {
value = String.valueOf(iNumberValue);
}
return value;
}
/**
* Returns the lower bound of the legal value range, or null if not applicable.
*
* @return the lower bound
*/
public Number getLowerBound() {
return iLowerBound;
}
/**
* Returns the upper bound of the legal value range, or null if not applicable.
*
* @return the upper bound
*/
public Number getUpperBound() {
return iUpperBound;
}
public String getMessage() {
return iMessage;
}
/**
* Provide additional detail by prepending a message to the existing message.
* A colon is separator is automatically inserted between the messages.
* @since 1.3
*/
public void prependMessage(String message) {
if (iMessage == null) {
iMessage = message;
} else if (message != null) {
iMessage = message + ": " + iMessage;
}
}
}
