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/*******************************************************************************
* Copyright (c) 2002, 2007 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
* Martin Oberhuber (Wind River) - [168870] refactor org.eclipse.rse.core package of the UI plugin
*******************************************************************************/
package org.eclipse.rse.internal.useractions.ui.compile;
import org.eclipse.rse.ui.view.ISystemRemoteElementAdapter;
import org.eclipse.rse.ui.view.SystemAdapterHelpers;
public class SystemCompileRemoteObjectMatcher {
private String ssfId, nameFilter, typeFilter;
private boolean allSsfs, allNames, allTypes;
private boolean genericSsfStart, genericNamesStart, genericTypesStart;
private boolean genericSsfEnd, genericNamesEnd, genericTypesEnd;
private String ssfIdPart, nameFilterPart, typeFilterPart;
public SystemCompileRemoteObjectMatcher(String ssfId, String nameFilter, String typeFilter) {
this.ssfId = ssfId;
this.nameFilter = nameFilter;
this.typeFilter = typeFilter;
if (ssfId == null) {
ssfId = "*"; //$NON-NLS-1$
}
if (nameFilter == null) {
nameFilter = "*"; //$NON-NLS-1$
}
if (typeFilter == null) {
typeFilter = "*"; //$NON-NLS-1$
}
// determine if any attribute is totally generic
this.allSsfs = ssfId.equals("*"); //$NON-NLS-1$
this.allNames = nameFilter.equals("*"); //$NON-NLS-1$
this.allTypes = typeFilter.equals("*"); //$NON-NLS-1$
// determine if any attribute value starts with asterisk
this.genericSsfStart = !allSsfs && startsWithAsterisk(ssfId);
this.genericNamesStart = !allNames && startsWithAsterisk(nameFilter);
this.genericTypesStart = !allTypes && startsWithAsterisk(typeFilter);
// determine if any attribute value ends with asterisk
this.genericSsfEnd = !allSsfs && endsWithAsterisk(ssfId);
this.genericNamesEnd = !allNames && endsWithAsterisk(nameFilter);
this.genericTypesEnd = !allTypes && endsWithAsterisk(typeFilter);
// strip of leading asterisk if there is one
if (genericSsfStart) {
ssfIdPart = stripLeadingAsterisk(ssfId);
}
if (genericNamesStart) {
nameFilterPart = stripLeadingAsterisk(nameFilter);
}
if (genericTypesStart) {
typeFilterPart = stripLeadingAsterisk(typeFilter);
}
// strip of trailing asterisk if there is one
if (genericSsfEnd) {
ssfIdPart = stripTrailingAsterisk(ssfId);
}
if (genericNamesEnd) {
nameFilterPart = stripTrailingAsterisk(nameFilter);
}
if (genericTypesEnd) {
typeFilterPart = stripTrailingAsterisk(typeFilter);
}
}
/**
* Helper method.
* Returns true if given name starts with an asterisk.
*/
protected boolean startsWithAsterisk(String name) {
return name.startsWith("*"); //$NON-NLS-1$
}
/**
* Helper method.
* Returns true if given name ends with an asterisk.
*/
protected boolean endsWithAsterisk(String name) {
return name.endsWith("*"); //$NON-NLS-1$
}
/**
* Helper method.
* Strips off the leading asterisk.
*/
protected String stripLeadingAsterisk(String name) {
return name.substring(1);
}
/**
* Helper method.
* Strips off the trailing asterisk.
*/
protected String stripTrailingAsterisk(String name) {
return name.substring(0, name.length() - 1);
}
/**
* Getter method.
* Return what was specified for the <samp>subsystemconfigurationid</samp> xml attribute.
*/
public String getSubSystemFactoryId() {
return ssfId;
}
/**
* Getter method.
* Return what was specified for the <samp>namefilter</samp> xml attribute.
*/
public String getNameFilter() {
return nameFilter;
}
/**
* Getter method.
* Return what was specified for the <samp>typefilter</samp> xml attribute.
*/
public String getTypeFilter() {
return typeFilter;
}
/**
* Returns true if the current selection matches all the given filtering criteria, false otherwise.
*/
public boolean appliesTo(Object element) {
ISystemRemoteElementAdapter adapter = SystemAdapterHelpers.getRemoteAdapter(element);
if (adapter == null) {
return false;
}
boolean applies = true;
// must match on all attributes
// check for match on subsystem factory id
boolean ssfIdMatch = true;
if (!allSsfs) {
String subsystem = adapter.getSubSystemConfigurationId(element);
if (ssfId == null) {
ssfIdMatch = false;
} else if (!genericSsfStart && !genericSsfEnd) {
ssfIdMatch = subsystem.equals(ssfId);
} else if (genericSsfStart) {
ssfIdMatch = subsystem.endsWith(ssfIdPart);
} else if (genericSsfEnd) {
ssfIdMatch = subsystem.startsWith(ssfIdPart);
}
}
if (!ssfIdMatch) {
return false;
}
// check for match on name filter
boolean nameMatch = true;
if (!allNames) {
String name = adapter.getName(element);
if (name == null || !genericNamesStart) {
nameMatch = false;
} else if (!genericNamesStart && !genericNamesEnd) {
nameMatch = name.equals(nameFilter);
} else if (genericNamesStart) {
nameMatch = name.endsWith(nameFilterPart);
} else if (genericNamesEnd) {
nameMatch = name.startsWith(nameFilterPart);
}
}
if (!nameMatch) {
return false;
}
// check for match on type filter
boolean typeMatch = true;
if (!allTypes) {
String type = adapter.getRemoteSourceType(element);
if (type == null) {
typeMatch = false;
} else if (!genericTypesStart && !genericTypesEnd) {
typeMatch = type.equals(typeFilter);
} else if (genericTypesStart) {
typeMatch = type.endsWith(typeFilterPart);
} else if (genericTypesEnd) {
typeMatch = type.startsWith(typeFilterPart);
}
}
if (!typeMatch) {
return false;
}
return applies;
}
}
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