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/*
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* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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package com.nokia.helium.metadata.ant.types;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.regex.Pattern;
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import java.util.regex.PatternSyntaxException;
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import org.apache.tools.ant.BuildException;
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import org.apache.tools.ant.types.DataType;
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/**
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* This class provides filter input to the metadata task.
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* <pre>
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* <metadatafilter severity="error" regex="" description="" />
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* </pre>
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* @ant.task name="metadatafilter" category="Metadata"
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*/
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public class MetaDataFilter extends DataType implements MetaDataFilterCollection {
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private SeverityEnum.Severity severity;
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private String regex;
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private String description;
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private Pattern pattern;
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/**
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* Defines what is the severity level for this pattern
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* @param severity type of severity for this input.
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*/
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@Deprecated
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public void setPriority(SeverityEnum severity) {
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setSeverity(severity);
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}
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/**
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* Defines what is the severity level for this pattern
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* @param severity type of severity for this input.
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*/
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public void setSeverity(SeverityEnum severity) {
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this.severity = severity.getSeverity();
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}
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/**
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* Helper function to return the severity type
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* @return severity type
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* @ant.required
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*/
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public SeverityEnum.Severity getSeverity() {
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return severity;
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}
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/**
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* Helper function called by ant to set the regex
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* @param regx regular expression of the filter
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* @ant.required
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*/
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public void setRegex(String regex) {
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if (regex == null || regex.trim().length() == 0) {
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throw new BuildException("Invalid Regular expression: the regex attribute cannot be an empty string.");
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}
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this.regex = regex;
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try {
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pattern = Pattern.compile(this.regex);
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} catch (PatternSyntaxException ex) {
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throw new BuildException("Invalid regular expression: " + ex.getMessage(), ex);
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}
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}
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/**
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* Helper function to return the regex type
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* @return regular expression of this filter
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*/
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public String getRegex() {
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return regex;
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}
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/**
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* Helper function called by ant to set the description type
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* @param desc description associated with filter.
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* @ant.required
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*/
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public void setDescription(String desc) {
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description = desc;
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}
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/**
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* Helper function to return the description associated with regular expression
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* @return description associated with regex.
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*/
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public String getDescription() {
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return description;
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}
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/**
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* Helper function to return the pattern
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* @return the pattern of this filter.
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*/
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public Pattern getPattern() {
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return pattern;
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}
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/**
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* {@inheritDoc}
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*/
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public Collection<MetaDataFilter> getAllFilters() {
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Collection<MetaDataFilter> result = new ArrayList<MetaDataFilter>();
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if (this.isReference()) {
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result.add((MetaDataFilter)this.getRefid().getReferencedObject());
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} else {
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result.add(this);
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}
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return result;
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}
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}
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