Argument.java revision 6870993d12bf8a2b9d5cd103dc5ccabc42f9bf5d
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at legal-notices/CDDLv1_0.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2006-2008 Sun Microsystems, Inc.
* Portions copyright 2014 ForgeRock AS
*/
/**
* This class defines a generic argument that may be used in the argument list
* for an application. This is an abstract class that must be subclassed in
* order to provide specific functionality.
*/
public abstract class Argument {
/**
* Indicates whether this argument should be hidden in the usage
* information.
*/
private boolean isHidden;
/**
* Indicates whether this argument may be specified more than once for
* multiple values.
*/
private boolean isMultiValued;
/**
* Indicates whether this argument was provided in the set of
* command-line arguments.
*/
private boolean isPresent;
/** Indicates whether this argument is required to have a value. */
private boolean isRequired;
/** Indicates whether this argument requires a value. */
private boolean needsValue;
/** The single-character identifier for this argument. */
private final Character shortIdentifier;
/** The unique ID of the description for this argument. */
private final LocalizableMessage description;
/** The set of values for this argument. */
/** The default value for the argument if none other is provided. */
private String defaultValue;
/** The long identifier for this argument. */
private final String longIdentifier;
/** The generic name that will be used to refer to this argument. */
/** The name of the property that can be used to set the default value. */
private String propertyName;
/**
* The value placeholder for this argument, which will be used in
* usage information.
*/
private LocalizableMessage valuePlaceholder;
/**
* Indicates whether this argument was provided in the set of
* properties found is a properties file.
*/
private boolean isValueSetByProperty;
/**
* Creates a new argument with the provided information.
*
* @param name
* The generic name that should be used to refer to this
* argument.
* @param shortIdentifier
* The single-character identifier for this argument, or
* <CODE>null</CODE> if there is none.
* @param longIdentifier
* The long identifier for this argument, or <CODE>null</CODE> if
* there is none.
* @param isRequired
* Indicates whether this argument must be specified on the
* command line.
* @param isMultiValued
* Indicates whether this argument may be specified more than
* once to provide multiple values.
* @param needsValue
* Indicates whether this argument requires a value.
* @param valuePlaceholder
* The placeholder for the argument value that will be displayed
* in usage information, or <CODE>null</CODE> if this argument
* does not require a value.
* @param defaultValue
* The default value that should be used for this argument if
* none is provided in a properties file or on the command line.
* This may be <CODE>null</CODE> if there is no generic default.
* @param propertyName
* The name of the property in a property file that may be used
* to override the default value but will be overridden by a
* command-line argument.
* @param description
* LocalizableMessage for the description of this argument.
* @throws ArgumentException
* If there is a problem with any of the parameters used to
* create this argument.
*/
this.shortIdentifier = shortIdentifier;
this.longIdentifier = longIdentifier;
this.isRequired = isRequired;
this.isMultiValued = isMultiValued;
this.needsValue = needsValue;
this.valuePlaceholder = valuePlaceholder;
this.defaultValue = defaultValue;
this.propertyName = propertyName;
this.description = description;
this.isValueSetByProperty = false;
throw new ArgumentException(message);
}
throw new ArgumentException(message);
}
isPresent = false;
isHidden = false;
}
/**
* Adds a value to the set of values for this argument. This should only be
* called if the value is allowed by the <CODE>valueIsAcceptable</CODE>
* method.
*
* @param valueString
* The string representation of the value to add to this
* argument.
*/
}
/**
* Clears the set of values assigned to this argument.
*/
public void clearValues() {
}
/**
* Retrieves the value of this argument as a <CODE>Boolean</CODE>.
*
* @return The value of this argument as a <CODE>Boolean</CODE>.
* @throws ArgumentException
* If this argument cannot be interpreted as a Boolean value.
*/
public boolean getBooleanValue() throws ArgumentException {
throw new ArgumentException(message);
}
boolean booleanValue;
booleanValue = true;
booleanValue = false;
} else {
final LocalizableMessage message =
throw new ArgumentException(message);
}
throw new ArgumentException(message);
} else {
return booleanValue;
}
}
/**
* Retrieves the default value that will be used for this argument if it is
* not specified on the command line and it is not set from a properties
* file.
*
* @return The default value that will be used for this argument if it is
* not specified on the command line and it is not set from a
* properties file, or <CODE>null</CODE> if there is no default
* value.
*/
public String getDefaultValue() {
return defaultValue;
}
/**
* Retrieves the human-readable description for this argument.
*
* @return The human-readable description for this argument.
*/
public LocalizableMessage getDescription() {
}
/**
* Retrieves the value of this argument as an integer.
*
* @return The value of this argument as an integer.
* @throws ArgumentException
* If there are multiple values, or the value cannot be parsed
* as an integer.
*/
public double getDoubleValue() throws ArgumentException {
throw new ArgumentException(message);
}
double intValue;
try {
} catch (final Exception e) {
throw new ArgumentException(message, e);
}
throw new ArgumentException(message);
} else {
return intValue;
}
}
/**
* Retrieves the set of values for this argument as a list of integers.
*
* @return A list of the integer representations of the values for this
* argument.
* @throws ArgumentException
* If any of the values cannot be parsed as an integer.
*/
try {
} catch (final Exception e) {
final LocalizableMessage message =
throw new ArgumentException(message, e);
}
}
return intList;
}
/**
* Retrieves the value of this argument as an integer.
*
* @return The value of this argument as an integer.
* @throws ArgumentException
* If there are multiple values, or the value cannot be parsed
* as an integer.
*/
public int getIntValue() throws ArgumentException {
throw new ArgumentException(message);
}
int intValue;
try {
} catch (final Exception e) {
throw new ArgumentException(message, e);
}
throw new ArgumentException(message);
} else {
return intValue;
}
}
/**
* Retrieves the set of values for this argument as a list of integers.
*
* @return A list of the integer representations of the values for this
* argument.
* @throws ArgumentException
* If any of the values cannot be parsed as an integer.
*/
try {
} catch (final Exception e) {
final LocalizableMessage message =
throw new ArgumentException(message, e);
}
}
return intList;
}
/**
* Retrieves the long (multi-character) identifier that may be used to
* specify the value of this argument.
*
* @return The long (multi-character) identifier that may be used to specify
* the value of this argument.
*/
public String getLongIdentifier() {
return longIdentifier;
}
/**
* Retrieves the generic name that will be used to refer to this argument.
*
* @return The generic name that will be used to refer to this argument.
*/
return name;
}
/**
* Retrieves the name of a property in a properties file that may be used to
* set the default value for this argument if it is present. A value read
* from a properties file will override the default value returned from the
* <CODE>getDefaultValue</CODE>, but the properties file value will be
* overridden by a value supplied on the command line.
*
* @return The name of a property in a properties file that may be used to
* set the default value for this argument if it is present.
*/
public String getPropertyName() {
return propertyName;
}
/**
* Retrieves the single-character identifier that may be used to specify the
* value of this argument.
*
* @return The single-character identifier that may be used to specify the
* value of this argument, or <CODE>null</CODE> if there is none.
*/
public Character getShortIdentifier() {
return shortIdentifier;
}
/**
* Retrieves the string vale for this argument. If it has multiple values,
* then the first will be returned. If it does not have any values, then the
* default value will be returned.
*
* @return The string value for this argument, or <CODE>null</CODE> if there
* are no values and no default value has been given.
*/
return defaultValue;
}
}
/**
* Retrieves the value placeholder that will be displayed for this argument
* in the generated usage information.
*
* @return The value placeholder that will be displayed for this argument in
* the generated usage information, or <CODE>null</CODE> if there is
* none.
*/
public LocalizableMessage getValuePlaceholder() {
return valuePlaceholder;
}
/**
* Retrieves the set of string values for this argument.
*
* @return The set of string values for this argument.
*/
return values;
}
/**
* Indicates whether this argument has at least one value.
*
* @return <CODE>true</CODE> if this argument has at least one value, or
* <CODE>false</CODE> if it does not have any values.
*/
public boolean hasValue() {
}
/**
* Indicates whether this argument should be hidden from the usage
* information.
*
* @return <CODE>true</CODE> if this argument should be hidden from the
* usage information, or <CODE>false</CODE> if not.
*/
public boolean isHidden() {
return isHidden;
}
/**
* Indicates whether this argument may be provided more than once on the
* command line to specify multiple values.
*
* @return <CODE>true</CODE> if this argument may be provided more than once
* on the command line to specify multiple values, or
* <CODE>false</CODE> if it may have at most one value.
*/
public boolean isMultiValued() {
return isMultiValued;
}
/**
* Indicates whether this argument is present in the parsed set of
* command-line arguments.
*
* @return <CODE>true</CODE> if this argument is present in the parsed set
* of command-line arguments, or <CODE>false</CODE> if not.
*/
public boolean isPresent() {
return isPresent;
}
/**
* Indicates whether this argument is required to have at least one value.
*
* @return <CODE>true</CODE> if this argument is required to have at least
* one value, or <CODE>false</CODE> if it does not need to have a
* value.
*/
public boolean isRequired() {
return isRequired;
}
/**
* Indicates whether this argument was provided in the set of properties
* found is a properties file.
*
* @return <CODE>true</CODE> if this argument was provided in the set of
* properties found is a properties file, or <CODE>false</CODE> if
* not.
*/
public boolean isValueSetByProperty() {
return isValueSetByProperty;
}
/**
* Indicates whether a value must be provided with this argument if it is
* present.
*
* @return <CODE>true</CODE> if a value must be provided with the argument
* if it is present, or <CODE>false</CODE> if the argument does not
* take a value and the presence of the argument identifier itself
* is sufficient to convey the necessary information.
*/
public boolean needsValue() {
return needsValue;
}
/**
* Specifies the default value that will be used for this argument if it is
* not specified on the command line and it is not set from a properties
* file.
*
* @param defaultValue
* The default value that will be used for this argument if it is
* not specified on the command line and it is not set from a
* properties file.
*/
this.defaultValue = defaultValue;
}
/**
* Specifies whether this argument should be hidden from the usage
* information.
*
* @param isHidden
* Indicates whether this argument should be hidden from the
* usage information.
*/
}
/**
* Specifies whether this argument may be provided more than once on the
* command line to specify multiple values.
*
* @param isMultiValued
* Indicates whether this argument may be provided more than once
* on the command line to specify multiple values.
*/
public void setMultiValued(final boolean isMultiValued) {
this.isMultiValued = isMultiValued;
}
/**
* Specifies whether a value must be provided with this argument if it is
* present. If this is changed from <CODE>false</CODE> to <CODE>true</CODE>,
* then a value placeholder must also be provided.
*
* @param needsValue
* Indicates whether a value must be provided with this argument
* if it is present.
*/
public void setNeedsValue(final boolean needsValue) {
this.needsValue = needsValue;
}
/**
* Specifies whether this argument is present in the parsed set of
* command-line arguments.
*
* @param isPresent
* Indicates whether this argument is present in the set of
* command-line arguments.
*/
public void setPresent(final boolean isPresent) {
}
/**
* Specifies the name of a property in a properties file that may be used to
* set the default value for this argument if it is present.
*
* @param propertyName
* The name of a property in a properties file that may be used
* to set the default value for this argument if it is present.
*/
this.propertyName = propertyName;
}
/**
* Specifies whether this argument is required to have at least one value.
*
* @param isRequired
* Indicates whether this argument is required to have at least
* one value.
*/
public void setRequired(final boolean isRequired) {
this.isRequired = isRequired;
}
/**
* Specifies the value placeholder that will be displayed for this argument
* in the generated usage information. It may be <CODE>null</CODE> only if
* <CODE>needsValue()</CODE> returns <CODE>false</CODE>.
*
* @param valuePlaceholder
* The value placeholder that will be displayed for this argument
* in the generated usage information.
*/
this.valuePlaceholder = valuePlaceholder;
}
/**
* Specifies whether this argument was provided in the set of properties
* found is a properties file.
*
* @param isValueSetByProperty
* Specify whether this argument was provided in the set of
* properties found is a properties file.
*/
public void setValueSetByProperty(final boolean isValueSetByProperty) {
}
/**
* Indicates whether the provided value is acceptable for use in this
* argument.
*
* @param valueString
* The value for which to make the determination.
* @param invalidReason
* A buffer into which the invalid reason may be written if the
* value is not acceptable.
* @return <CODE>true</CODE> if the value is acceptable, or
* <CODE>false</CODE> if it is not.
*/
}