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Code Issues Wiki Activity

Protect agaist NPE

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This commit is contained in:
Alain Magloire 2004-05-28 23:14:15 +00:00
parent 7fa8a0305e
commit 87c2b3a623
2 changed files with 63 additions and 98 deletions
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23
core/org.eclipse.cdt.core/model/org/eclipse/cdt/core/model/ICModelStatusConstants.java
View file

@ -161,25 +161,22 @@ public interface ICModelStatusConstants {
* Status constant indicating that a <code>DOMException</code> * Status constant indicating that a <code>DOMException</code>
* occurred. * occurred.
*/ */
public static final int DOM_EXCEPTION = 986; public static final int PARSER_EXCEPTION = 986;
/** /**
* Status constant indicating that a <code>TargetException</code> * Variable path is invalid.
* occurred.
*/ */
public static final int TARGET_EXCEPTION = 987; public static final int VARIABLE_PATH_UNBOUND = 987;
/** /**
* Status constant indicating that the C builder * Container Entry could not be resolved.
* could not be initialized.
*/ */
public static final int BUILDER_INITIALIZATION_ERROR = 990; public static final int INVALID_CONTAINER_ENTRY = 988;
/** /**
* Status constant indicating that the C builder's last built state * Cycle when resolving the entries.
* could not be serialized or deserialized.
*/ */
public static final int BUILDER_SERIALIZATION_ERROR = 991; public static final int PATHENTRY_CYCLE = 989;
/** /**
* Status constant indicating that an error was encountered while * Status constant indicating that an error was encountered while
@ -213,7 +210,7 @@ public interface ICModelStatusConstants {
*/ */
public static final int INVALID_PROJECT = 997; public static final int INVALID_PROJECT = 997;
//public static final int INVALID_NAMESPACE = 998; public static final int INVALID_NAMESPACE = 998;
/** /**
* Status indicating that the corresponding resource has no local contents yet. * Status indicating that the corresponding resource has no local contents yet.
@ -222,8 +219,4 @@ public interface ICModelStatusConstants {
*/ */
public static final int NO_LOCAL_CONTENTS = 999; public static final int NO_LOCAL_CONTENTS = 999;
///**
//* Status constant indicating that a classpath entry was invalid
//*/
//public static final int INVALID_CLASSPATH = 964;
} }

138
core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/CModelStatus.java
View file

@ -13,6 +13,7 @@ import org.eclipse.core.resources.IResourceStatus;
import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.Status;
/** /**
@ -37,11 +38,14 @@ public class CModelStatus extends Status implements ICModelStatus, ICModelStatus
* if no <code>String</code> is involved. * if no <code>String</code> is involved.
*/ */
protected String fString; protected String fString;
protected final static String EMPTY_STRING = ""; //$NON-NLS-1$
/** /**
* Empty children * Empty children
*/ */
protected final static IStatus[] fgEmptyChildren = new IStatus[] {}; protected final static IStatus[] fgEmptyChildren = new IStatus[] {};
protected IStatus[] fChildren= fgEmptyChildren; protected IStatus[] fChildren= fgEmptyChildren;
protected final static String DEFAULT_STRING= "CModelStatus"; //$NON-NLS-1$;
/** /**
* Singleton OK object * Singleton OK object
@ -53,15 +57,14 @@ public class CModelStatus extends Status implements ICModelStatus, ICModelStatus
*/ */
public CModelStatus() { public CModelStatus() {
// no code for an multi-status // no code for an multi-status
super(ERROR, CCorePlugin.PLUGIN_ID, 0, "CModelStatus", null); //$NON-NLS-1$ this(0);
} }
/** /**
* Constructs an C model status with no corresponding elements. * Constructs an C model status with no corresponding elements.
*/ */
public CModelStatus(int code) { public CModelStatus(int code) {
super(ERROR, CCorePlugin.PLUGIN_ID, code, "CModelStatus", null); //$NON-NLS-1$ this(code, CElement.NO_ELEMENTS);
fElements = CElement.NO_ELEMENTS;
} }
/** /**
@ -69,9 +72,9 @@ public class CModelStatus extends Status implements ICModelStatus, ICModelStatus
* elements. * elements.
*/ */
public CModelStatus(int code, ICElement[] elements) { public CModelStatus(int code, ICElement[] elements) {
super(ERROR, CCorePlugin.PLUGIN_ID, code, "CModelStatus", null); //$NON-NLS-1$ super(ERROR, CCorePlugin.PLUGIN_ID, code, DEFAULT_STRING, null);
fElements = elements; fElements = elements;
fPath= null; fPath= Path.EMPTY;
} }
/** /**
@ -82,25 +85,17 @@ public class CModelStatus extends Status implements ICModelStatus, ICModelStatus
} }
public CModelStatus(int severity, int code, String string) { public CModelStatus(int severity, int code, String string) {
super(severity, CCorePlugin.PLUGIN_ID, code, "CModelStatus", null); //$NON-NLS-1$ super(severity, CCorePlugin.PLUGIN_ID, code, DEFAULT_STRING, null);
fElements = CElement.NO_ELEMENTS; fElements = CElement.NO_ELEMENTS;
fPath= null; fPath= Path.EMPTY;
fString = string; fString = string;
} }
/**
* Constructs an C model status with no corresponding elements.
*/
public CModelStatus(int code, Throwable throwable) {
super(ERROR, CCorePlugin.PLUGIN_ID, code, "CModelStatus", throwable); //$NON-NLS-1$
fElements = CElement.NO_ELEMENTS;
}
/** /**
* Constructs an C model status with no corresponding elements. * Constructs an C model status with no corresponding elements.
*/ */
public CModelStatus(int code, IPath path) { public CModelStatus(int code, IPath path) {
super(ERROR, CCorePlugin.PLUGIN_ID, code, "CModelStatus", null); //$NON-NLS-1$ super(ERROR, CCorePlugin.PLUGIN_ID, code, DEFAULT_STRING, null);
fElements = CElement.NO_ELEMENTS; fElements = CElement.NO_ELEMENTS;
fPath= path; fPath= path;
} }
@ -131,8 +126,16 @@ public class CModelStatus extends Status implements ICModelStatus, ICModelStatus
* Constructs an C model status with no corresponding elements. * Constructs an C model status with no corresponding elements.
*/ */
public CModelStatus(CoreException coreException) { public CModelStatus(CoreException coreException) {
super(ERROR, CCorePlugin.PLUGIN_ID, CORE_EXCEPTION, "CModelStatus", coreException); //$NON-NLS-1$ this(CORE_EXCEPTION, coreException);
fElements= CElement.NO_ELEMENTS; }
/**
* Constructs an C model status with no corresponding elements.
*/
public CModelStatus(int code, Throwable throwable) {
super(ERROR, CCorePlugin.PLUGIN_ID, code, DEFAULT_STRING, throwable);
fElements = CElement.NO_ELEMENTS;
fPath = Path.EMPTY;
} }
protected int getBits() { protected int getBits() {
@ -165,23 +168,18 @@ public class CModelStatus extends Status implements ICModelStatus, ICModelStatus
case CORE_EXCEPTION : case CORE_EXCEPTION :
return CoreModelMessages.getFormattedString("status.coreException"); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.coreException"); //$NON-NLS-1$
//case BUILDER_INITIALIZATION_ERROR:
// return Util.bind("build.initializationError"); //$NON-NLS-1$
//case BUILDER_SERIALIZATION_ERROR:
// return Util.bind("build.serializationError"); //$NON-NLS-1$
case DEVICE_PATH: case DEVICE_PATH:
return CoreModelMessages.getFormattedString("status.cannotUseDeviceOnPath", getPath().toString()); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.cannotUseDeviceOnPath", getPath().toString()); //$NON-NLS-1$
//case DOM_EXCEPTION: case PARSER_EXCEPTION:
// return Util.bind("status.JDOMError"); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.ParserError"); //$NON-NLS-1$
case ELEMENT_DOES_NOT_EXIST: case ELEMENT_DOES_NOT_EXIST:
return CoreModelMessages.getFormattedString("element.doesNotExist",((ICElement)fElements[0]).toString()); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("element.doesNotExist", getFirstElementName()); //$NON-NLS-1$
case EVALUATION_ERROR: case EVALUATION_ERROR:
return CoreModelMessages.getFormattedString("status.evaluationError", fString); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.evaluationError", getString()); //$NON-NLS-1$
case INDEX_OUT_OF_BOUNDS: case INDEX_OUT_OF_BOUNDS:
return CoreModelMessages.getFormattedString("status.indexOutOfBounds"); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.indexOutOfBounds"); //$NON-NLS-1$
@ -190,11 +188,11 @@ public class CModelStatus extends Status implements ICModelStatus, ICModelStatus
return CoreModelMessages.getFormattedString("status.invalidContents"); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.invalidContents"); //$NON-NLS-1$
case INVALID_DESTINATION: case INVALID_DESTINATION:
return CoreModelMessages.getFormattedString("status.invalidDestination", ((ICElement)fElements[0]).toString()); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.invalidDestination", getFirstElementName()); //$NON-NLS-1$
case INVALID_ELEMENT_TYPES: case INVALID_ELEMENT_TYPES:
StringBuffer buff= new StringBuffer(CoreModelMessages.getFormattedString("operation.notSupported")); //$NON-NLS-1$ StringBuffer buff= new StringBuffer(CoreModelMessages.getFormattedString("operation.notSupported")); //$NON-NLS-1$
for (int i= 0; i < fElements.length; i++) { for (int i = 0; i < fElements.length; i++) {
if (i > 0) { if (i > 0) {
buff.append(", "); //$NON-NLS-1$ buff.append(", "); //$NON-NLS-1$
} }
@ -203,10 +201,7 @@ public class CModelStatus extends Status implements ICModelStatus, ICModelStatus
return buff.toString(); return buff.toString();
case INVALID_NAME: case INVALID_NAME:
return CoreModelMessages.getFormattedString("status.invalidName", fString); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.invalidName", getString()); //$NON-NLS-1$
//case INVALID_PACKAGE:
// return Util.bind("status.invalidPackage", string); //$NON-NLS-1$
case INVALID_PATH: case INVALID_PATH:
if (fString != null) { if (fString != null) {
@ -216,19 +211,19 @@ public class CModelStatus extends Status implements ICModelStatus, ICModelStatus
} }
case INVALID_PROJECT: case INVALID_PROJECT:
return CoreModelMessages.getFormattedString("status.invalidProject", fString); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.invalidProject", getString()); //$NON-NLS-1$
case INVALID_RESOURCE: case INVALID_RESOURCE:
return CoreModelMessages.getFormattedString("status.invalidResource", fString); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.invalidResource", getString()); //$NON-NLS-1$
case INVALID_RESOURCE_TYPE: case INVALID_RESOURCE_TYPE:
return CoreModelMessages.getFormattedString("status.invalidResourceType", fString); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.invalidResourceType", getString()); //$NON-NLS-1$
case INVALID_SIBLING: case INVALID_SIBLING:
if (fString != null) { if (fString != null) {
return CoreModelMessages.getFormattedString("status.invalidSibling", fString); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.invalidSibling", getString()); //$NON-NLS-1$
} else { } else {
return CoreModelMessages.getFormattedString("status.invalidSibling", ((ICElement)fElements[0]).toString()); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.invalidSibling", getFirstElementName()); //$NON-NLS-1$
} }
case IO_EXCEPTION: case IO_EXCEPTION:
@ -259,71 +254,35 @@ public class CModelStatus extends Status implements ICModelStatus, ICModelStatus
return CoreModelMessages.getFormattedString("operation.needString"); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("operation.needString"); //$NON-NLS-1$
case PATH_OUTSIDE_PROJECT: case PATH_OUTSIDE_PROJECT:
return CoreModelMessages.getFormattedString("operation.pathOutsideProject", new String[]{fString, ((ICElement)fElements[0]).toString()}); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("operation.pathOutsideProject", new String[]{getString(), getFirstElementName()}); //$NON-NLS-1$
case READ_ONLY: case READ_ONLY:
ICElement element = fElements[0]; return CoreModelMessages.getFormattedString("status.readOnly", getFirstElementName()); //$NON-NLS-1$
String name = element.getElementName();
return CoreModelMessages.getFormattedString("status.readOnly", name); //$NON-NLS-1$
case RELATIVE_PATH: case RELATIVE_PATH:
return CoreModelMessages.getFormattedString("operation.needAbsolutePath", getPath().toString()); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("operation.needAbsolutePath", getPath().toString()); //$NON-NLS-1$
case TARGET_EXCEPTION:
return CoreModelMessages.getFormattedString("status.targetException"); //$NON-NLS-1$
case UPDATE_CONFLICT: case UPDATE_CONFLICT:
return CoreModelMessages.getFormattedString("status.updateConflict"); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.updateConflict"); //$NON-NLS-1$
case NO_LOCAL_CONTENTS : case NO_LOCAL_CONTENTS :
return CoreModelMessages.getFormattedString("status.noLocalContents", getPath().toString()); //$NON-NLS-1$ return CoreModelMessages.getFormattedString("status.noLocalContents", getPath().toString()); //$NON-NLS-1$
//case CP_CONTAINER_PATH_UNBOUND: case INVALID_CONTAINER_ENTRY:
// element = (ICElement)fElements[0]; return CoreModelMessages.getFormattedString("pathentry.invalidContainer", new String[] {getString(), getFirstElementName()}); //$NON-NLS-1$
//PathEContainerInitializer initializer = CoreModel.getPathEntryContainerInitializer(this.path.segment(0));
//String description = null;
//if (initializer != null) description = initializer.getDescription(this.path, javaProject);
//if (description == null) description = path.makeRelative().toString();
// return CoreModelMessages.getFormattedString("pathentry.unboundContainerPath", element.getElementName()); //$NON-NLS-1$
//case INVALID_CP_CONTAINER_ENTRY: case VARIABLE_PATH_UNBOUND:
// element = (ICElement)fElements[0];
//IPathEntryContainer container = null;
//description = null;
//try {
// container = CoreModel.getPathEntryContainer(path, javaProject);
//} catch(CModelException e){
// project doesn't exist: ignore
//}
//if (container == null) {
// initializer = CoreModel.getPathEntryContainerInitializer(path.segment(0));
// if (initializer != null) description = initializer.getDescription(path, javaProject);
//} else {
// description = container.getDescription();
//}
//if (description == null) description = path.makeRelative().toString();
// return CoreModelMessages.getFormattedString("pathentry.invalidContainer", element.getElementName()); //$NON-NLS-1$
case CP_VARIABLE_PATH_UNBOUND:
element = (ICElement)fElements[0];
return CoreModelMessages.getFormattedString("pathentry.unboundVariablePath", return CoreModelMessages.getFormattedString("pathentry.unboundVariablePath",
new String[] {getPath().makeRelative().toString(), element.getElementName()}); //$NON-NLS-1$ new String[] {getPath().makeRelative().toString(), getFirstElementName()}); //$NON-NLS-1$
//case CLASSPATH_CYCLE: case PATHENTRY_CYCLE:
// element = (ICElement)fElements[0]; return CoreModelMessages.getFormattedString("pathentry.cycle", getFirstElementName()); //$NON-NLS-1$
// return CoreModelMessages.getFormattedString("pathentry.cycle", element.getElementName()); //$NON-NLS-1$
//case DISABLED_CP_EXCLUSION_PATTERNS: //case DISABLED_CP_EXCLUSION_PATTERNS:
//case DISABLED_CP_MULTIPLE_OUTPUT_LOCATIONS: //case DISABLED_CP_MULTIPLE_OUTPUT_LOCATIONS:
//case INCOMPATIBLE_JDK_LEVEL:
}
if (fString != null) {
return fString;
} else {
return ""; // //$NON-NLS-1$
} }
return getString();
} else { } else {
String message = exception.getMessage(); String message = exception.getMessage();
if (message != null) { if (message != null) {
@ -338,6 +297,9 @@ public class CModelStatus extends Status implements ICModelStatus, ICModelStatus
* @see IOperationStatus * @see IOperationStatus
*/ */
public IPath getPath() { public IPath getPath() {
if (fPath == null) {
return Path.EMPTY;
}
return fPath; return fPath;
} }
@ -360,9 +322,19 @@ public class CModelStatus extends Status implements ICModelStatus, ICModelStatus
* @see ICModelStatus * @see ICModelStatus
*/ */
public String getString() { public String getString() {
if (fString == null) {
return EMPTY_STRING;
}
return fString; return fString;
} }
public String getFirstElementName() {
if (fElements != null && fElements.length > 0) {
return fElements[0].getElementName();
}
return EMPTY_STRING;
}
/** /**
* @see ICModelStatus * @see ICModelStatus
*/ */