org.apache.maven.scm.CommandParameters Maven / Gradle / Ivy
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The SCM API provides mechanisms to manage all SCM tools.
package org.apache.maven.scm;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
import java.io.File;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
/**
* @author Trygve Laugstøl
* @version $Id: CommandParameters.java 524909 2007-04-02 20:02:44Z evenisse $
*/
public class CommandParameters
{
private Map parameters = new HashMap();
// ----------------------------------------------------------------------
// String
// ----------------------------------------------------------------------
/**
* Return the parameter value as String.
*
* @param parameter The parameter
* @return The parameter value as a String
* @throws ScmException if the parameter doesn't exist
*/
public String getString( CommandParameter parameter )
throws ScmException
{
Object object = getObject( String.class, parameter );
if ( object == null )
{
throw new ScmException( "Missing parameter: '" + parameter.getName() + "'." );
}
return object.toString();
}
/**
* Return the parameter value or the default value if it doesn't exist.
*
* @param parameter The parameter
* @param defaultValue The default value
* @return The parameter value as a String
* @throws ScmException if the value is in the wrong type
*/
public String getString( CommandParameter parameter, String defaultValue )
throws ScmException
{
Object object = getObject( String.class, parameter, null );
if ( object == null )
{
return defaultValue;
}
return object.toString();
}
/**
* Set a parameter value.
*
* @param parameter The parameter name
* @param value The value of the parameter
* @throws ScmException if the parameter already exist
*/
public void setString( CommandParameter parameter, String value )
throws ScmException
{
setObject( parameter, value );
}
// ----------------------------------------------------------------------
// Int
// ----------------------------------------------------------------------
/**
* Return the parameter value as int.
*
* @param parameter The parameter
* @return The parameter value as a String
* @throws ScmException if the parameter doesn't exist
*/
public int getInt( CommandParameter parameter )
throws ScmException
{
return ( (Integer) getObject( Integer.class, parameter ) ).intValue();
}
/**
* Return the parameter value as int or the default value if it doesn't exist.
*
* @param parameter The parameter
* @return The parameter value as a int
* @throws ScmException if the value is in the wrong type
*/
public int getInt( CommandParameter parameter, int defaultValue )
throws ScmException
{
Integer value = ( (Integer) getObject( Integer.class, parameter, null ) );
if ( value == null )
{
return defaultValue;
}
return value.intValue();
}
/**
* Set a parameter value.
*
* @param parameter The parameter name
* @param value The value of the parameter
* @throws ScmException if the parameter already exist
*/
public void setInt( CommandParameter parameter, int value )
throws ScmException
{
setObject( parameter, new Integer( value ) );
}
// ----------------------------------------------------------------------
// Date
// ----------------------------------------------------------------------
/**
* Return the parameter value as Date.
*
* @param parameter The parameter
* @return The parameter value as a Date
* @throws ScmException if the parameter doesn't exist
*/
public Date getDate( CommandParameter parameter )
throws ScmException
{
return (Date) getObject( Date.class, parameter );
}
/**
* Return the parameter value as String or the default value if it doesn't exist.
*
* @param parameter The parameter
* @return The parameter value as a Date
* @throws ScmException if the value is in the wrong type
*/
public Date getDate( CommandParameter parameter, Date defaultValue )
throws ScmException
{
return (Date) getObject( Date.class, parameter, defaultValue );
}
/**
* Set a parameter value.
*
* @param parameter The parameter name
* @param date The value of the parameter
* @throws ScmException if the parameter already exist
*/
public void setDate( CommandParameter parameter, Date date )
throws ScmException
{
setObject( parameter, date );
}
// ----------------------------------------------------------------------
// Boolean
// ----------------------------------------------------------------------
/**
* Return the parameter value as boolean.
*
* @param parameter The parameter
* @return The parameter value as a String
* @throws ScmException if the parameter doesn't exist
*/
public boolean getBoolean( CommandParameter parameter )
throws ScmException
{
return Boolean.valueOf( getString( parameter ) ).booleanValue();
}
// ----------------------------------------------------------------------
// ScmVersion
// ----------------------------------------------------------------------
/**
* Return the parameter value as ScmVersion.
*
* @param parameter The parameter
* @return The parameter value as a ScmVersion
* @throws ScmException if the parameter doesn't exist
*/
public ScmVersion getScmVersion( CommandParameter parameter )
throws ScmException
{
return (ScmVersion) getObject( ScmVersion.class, parameter );
}
/**
* Return the parameter value as ScmVersion or the default value.
*
* @param parameter The parameter
* @param defaultValue The default value
* @return The parameter value as a ScmVersion
* @throws ScmException if the parameter doesn't exist
*/
public ScmVersion getScmVersion( CommandParameter parameter, ScmVersion defaultValue )
throws ScmException
{
return (ScmVersion) getObject( ScmVersion.class, parameter, defaultValue );
}
/**
* Set a parameter value.
*
* @param parameter The parameter name
* @param scmVersion The tbranch/tag/revision
* @throws ScmException if the parameter already exist
*/
public void setScmVersion( CommandParameter parameter, ScmVersion scmVersion )
throws ScmException
{
setObject( parameter, scmVersion );
}
// ----------------------------------------------------------------------
// File[]
// ----------------------------------------------------------------------
public File[] getFileArray( CommandParameter parameter )
throws ScmException
{
return (File[]) getObject( File[].class, parameter );
}
public File[] getFileArray( CommandParameter parameter, File[] defaultValue )
throws ScmException
{
return (File[]) getObject( File[].class, parameter, defaultValue );
}
// ----------------------------------------------------------------------
//
// ----------------------------------------------------------------------
/**
* Return the value object.
*
* @param clazz The type of the parameter value
* @param parameter The parameter
* @return The parameter value
* @throws ScmException if the parameter doesn't exist
*/
private Object getObject( Class clazz, CommandParameter parameter )
throws ScmException
{
Object object = getObject( clazz, parameter, null );
if ( object == null )
{
throw new ScmException( "Missing parameter: '" + parameter.getName() + "'." );
}
return object;
}
/**
* Return the value object or the default value if it doesn't exist.
*
* @param clazz The type of the parameter value
* @param parameter The parameter
* @return The parameter value
* @throws ScmException if the defaultValue is in the wrong type
*/
private Object getObject( Class clazz, CommandParameter parameter, Object defaultValue )
throws ScmException
{
Object object = parameters.get( parameter.getName() );
if ( object == null )
{
return defaultValue;
}
if ( clazz != null && !clazz.isAssignableFrom( object.getClass() ) )
{
throw new ScmException( "Wrong parameter type for '" + parameter.getName() + ". " + "Expected: " +
clazz.getName() + ", got: " + object.getClass().getName() );
}
return object;
}
/**
* Set the parameter value.
*
* @param parameter The parameter
* @param value The parameter value
* @throws ScmException if the parameter already exist
*/
private void setObject( CommandParameter parameter, Object value )
throws ScmException
{
Object object = getObject( null, parameter, null );
if ( object != null )
{
throw new ScmException( "The parameter is already set: " + parameter.getName() );
}
parameters.put( parameter.getName(), value );
}
}
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