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debugger agent: catch all exceptions

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This commit is contained in:
Egor Ushakov
2017-10-10 17:53:36 +03:00
parent ce1fba5ff4
commit afeeaddee5
1 changed files with 56 additions and 36 deletions
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java/debugger/debugger-agent/src/com/intellij/rt/debugger/agent/CaptureAgent.java
+56 -36
View File
@@ -25,45 +25,15 @@ public class CaptureAgent {
private static Map<String, List<CapturePoint>> myCapturePoints = new HashMap<String, List<CapturePoint>>();
private static Map<String, List<InsertPoint>> myInsertPoints = new HashMap<String, List<InsertPoint>>();
public static void premain(String args, Instrumentation instrumentation) throws IOException {
public static void premain(String args, Instrumentation instrumentation) {
ourInstrumentation = instrumentation;
boolean deleteSettings = true;
FileReader reader = null;
try {
reader = new FileReader(args);
Properties properties = new Properties();
properties.load(reader);
String asmPath = readSettings(args);
DEBUG = Boolean.parseBoolean(properties.getProperty("debug", "false"));
if (DEBUG) {
CaptureStorage.setDebug(true);
}
if (Boolean.parseBoolean(properties.getProperty("disabled", "false"))) {
CaptureStorage.setEnabled(false);
}
deleteSettings = Boolean.parseBoolean(properties.getProperty("deleteSettings", "true"));
String asmPath = properties.getProperty("asm-lib");
if (asmPath == null) {
System.out.println("Capture agent: asm path is not specified, exiting");
return;
}
Enumeration<?> propNames = properties.propertyNames();
while (propNames.hasMoreElements()) {
String propName = (String)propNames.nextElement();
if (propName.startsWith("capture")) {
addPoint(true, properties.getProperty(propName));
}
else if (propName.startsWith("insert")) {
addPoint(false, properties.getProperty(propName));
}
}
try {
instrumentation.appendToSystemClassLoaderSearch(new JarFile(asmPath));
}
@@ -98,18 +68,68 @@ public class CaptureAgent {
System.out.println("Capture agent: ready");
}
}
catch (Throwable e) {
System.out.println("Capture agent: unknown exception");
e.printStackTrace();
}
}
private static String readSettings(String path) {
FileReader reader = null;
try {
reader = new FileReader(path);
Properties properties = new Properties();
properties.load(reader);
DEBUG = Boolean.parseBoolean(properties.getProperty("debug", "false"));
if (DEBUG) {
CaptureStorage.setDebug(true);
}
if (Boolean.parseBoolean(properties.getProperty("disabled", "false"))) {
CaptureStorage.setEnabled(false);
}
boolean deleteSettings = Boolean.parseBoolean(properties.getProperty("deleteSettings", "true"));
String asmPath = properties.getProperty("asm-lib");
if (asmPath == null) {
System.out.println("Capture agent: asm path is not specified, exiting");
return null;
}
Enumeration<?> propNames = properties.propertyNames();
while (propNames.hasMoreElements()) {
String propName = (String)propNames.nextElement();
if (propName.startsWith("capture")) {
addPoint(true, properties.getProperty(propName));
}
else if (propName.startsWith("insert")) {
addPoint(false, properties.getProperty(propName));
}
}
// delete settings file only if it was read correctly
if (deleteSettings) {
new File(path).delete();
}
return asmPath;
}
catch (IOException e) {
System.out.println("Capture agent: unable to read settings");
e.printStackTrace();
}
finally {
if (reader != null) {
reader.close();
}
if (deleteSettings) {
new File(args).delete();
try {
reader.close();
}
catch (IOException e) {
e.printStackTrace();
}
}
}
return null;
}
private static <T> List<T> getNotNull(List<T> list) {