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/*******************************************************************************
* Copyright (c) 2009, 2010 Alena Laskavaia
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Alena Laskavaia - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.codan.core.param;
import java.io.File;
import java.io.IOException;
import java.io.StreamTokenizer;
import java.util.regex.Pattern;
/**
* Preference representing a problem preference of a basic type.
*
* @see IProblemPreferenceDescriptor.PreferenceType for types.
*
*/
public class BasicProblemPreference extends AbstractProblemPreference {
protected Object value;
private PreferenceType type = PreferenceType.TYPE_STRING;
public PreferenceType getType() {
return type;
}
/**
* Set preferene type
*
* @param type
*/
public void setType(PreferenceType type) {
if (type == null)
throw new NullPointerException("Type cannot be null"); //$NON-NLS-1$
this.type = type;
}
/**
* Generate an info with given key and label
*
* @param key
* - property id (use in actual property hash of a checker)
* @param label
* - label to be shown to user
* @param type
* - parameter type
*/
public BasicProblemPreference(String key, String label, PreferenceType type) {
this(key, label);
setType(type);
}
/**
* Generate an info with given key and label
*
* @param key
* - property id (use in actual property hash of a checker)
* @param label
* - label to be shown to user
*/
public BasicProblemPreference(String key, String label) {
setKey(key);
setLabel(label);
}
@Override
public void setValue(Object value) {
this.value = value;
}
@Override
public Object getValue() {
return value;
}
public String exportValue() {
Pattern pat = Pattern.compile("^[A-Za-z0-9._-]+$"); //$NON-NLS-1$
String x = String.valueOf(getValue());
if (pat.matcher(x).find() == false)
return escape(x);
return x;
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.cdt.codan.core.param.IProblemPreferenceValue#importValue(
* java.lang.String)
*/
@Override
public void importValue(String str) {
if (str.startsWith("\"")) //$NON-NLS-1$
str = unescape(str);
switch (getType()) {
case TYPE_STRING:
setValue(str);
break;
case TYPE_INTEGER:
setValue(Integer.parseInt(str));
break;
case TYPE_BOOLEAN:
setValue(Boolean.valueOf(str));
break;
case TYPE_FILE:
setValue(new File(str));
break;
default:
throw new IllegalArgumentException(getType()
+ " is not supported for basic type"); //$NON-NLS-1$
}
}
@Override
public String toString() {
return "(" + type + ")" + getKey() + ((value == null) ? "" : "=" + value); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$
}
@Override
public void importValue(StreamTokenizer tokenizer) {
try {
tokenizer.nextToken();
String val = tokenizer.sval;
importValue(val);
} catch (IOException e) {
new IllegalArgumentException(e);
}
}
}
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