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/*******************************************************************************
* Copyright (c) 2009 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.ByteArrayInputStream;
import java.io.InputStreamReader;
import java.io.StreamTokenizer;
/**
* Default implementation of problem preference. It keeps preference metadata
* together with preference itself.
*
*/
public abstract class AbstractProblemPreference implements IProblemPreference {
public static final String PARAM = "param"; //$NON-NLS-1$
protected String key;
protected String label;
protected String toolTip = null;
protected PreferenceType type;
protected String uiInfo;
private IProblemPreference parent;
public PreferenceType getType() {
return type;
}
public String getLabel() {
return label;
}
public String getToolTip() {
return toolTip;
}
public String getKey() {
return key;
}
public String getUiInfo() {
return uiInfo;
}
public void setKey(String key) {
if (isValidIdentifier(key))
this.key = key;
else
throw new IllegalArgumentException(
"Key must have java identifier syntax or number, i.e no dots and other funky stuff"); //$NON-NLS-1$
}
protected boolean isValidIdentifier(String id) {
if (id == null)
return false;
int n = id.length();
if (n == 0)
return false;
for (int i = 0; i < n; i++)
if (!Character.isJavaIdentifierPart(id.charAt(i)))
return false;
return true;
}
public void setLabel(String label) {
if (label == null)
throw new NullPointerException("Label cannot be null"); //$NON-NLS-1$
this.label = label;
}
public void setToolTip(String tooltip) {
this.toolTip = tooltip;
}
public void setType(PreferenceType type) {
if (type == null)
throw new NullPointerException("Type cannot be null"); //$NON-NLS-1$
this.type = type;
}
public void setUiInfo(String uiinfo) {
this.uiInfo = uiinfo;
}
public Object getValue() {
throw new UnsupportedOperationException();
}
public void setValue(Object value) {
throw new UnsupportedOperationException();
}
@Override
public Object clone() {
try {
return super.clone();
} catch (CloneNotSupportedException e) {
return null;
}
}
/**
* @param str
* @return
*/
protected StreamTokenizer getImportTokenizer(String str) {
ByteArrayInputStream st = new ByteArrayInputStream(str.getBytes());
StreamTokenizer tokenizer = new StreamTokenizer(new InputStreamReader(
st));
tokenizer.resetSyntax();
tokenizer.quoteChar('"');
tokenizer.wordChars('_', '_');
tokenizer.wordChars('-', '-');
tokenizer.wordChars('.', '.');
tokenizer.wordChars('0', '9');
tokenizer.wordChars('a', 'z');
tokenizer.wordChars('A', 'Z');
tokenizer.wordChars(128 + 32, 255);
tokenizer.whitespaceChars(0, ' ');
tokenizer.commentChar('/');
return tokenizer;
}
public IProblemPreference getParent() {
return parent;
}
/**
* @param parent
* the parent to set
*/
public void setParent(IProblemPreference parent) {
this.parent = parent;
}
public String getQualifiedKey() {
if (parent == null)
return getKey();
return parent.getQualifiedKey() + "." + getKey(); //$NON-NLS-1$
}
}
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