/* * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package sun.tracing;import java.lang.reflect.Method;import java.io.PrintStream;import java.util.HashMap;import com.sun.tracing.ProviderFactory;import com.sun.tracing.Provider;import com.sun.tracing.ProviderName;import com.sun.tracing.Probe;import com.sun.tracing.ProbeName;/** * Factory class to create tracing Providers. * * This factory will create tracing instances that print to a PrintStream * when activated. * * @since 1.7 */public class PrintStreamProviderFactory extends ProviderFactory { private PrintStream stream; public PrintStreamProviderFactory(PrintStream stream) { this.stream = stream; } public <T extends Provider> T createProvider(Class<T> cls) { PrintStreamProvider provider = new PrintStreamProvider(cls, stream); provider.init(); return provider.newProxyInstance(); }}class PrintStreamProvider extends ProviderSkeleton { private PrintStream stream; private String providerName; protected ProbeSkeleton createProbe(Method m) { String probeName = getAnnotationString(m, ProbeName.class, m.getName()); return new PrintStreamProbe(this, probeName, m.getParameterTypes()); } PrintStreamProvider(Class<? extends Provider> type, PrintStream stream) { super(type); this.stream = stream; this.providerName = getProviderName(); } PrintStream getStream() { return stream; } String getName() { return providerName; }}class PrintStreamProbe extends ProbeSkeleton { private PrintStreamProvider provider; private String name; PrintStreamProbe(PrintStreamProvider p, String name, Class<?>[] params) { super(params); this.provider = p; this.name = name; } public boolean isEnabled() { return true; } public void uncheckedTrigger(Object[] args) { StringBuffer sb = new StringBuffer(); sb.append(provider.getName()); sb.append("."); sb.append(name); sb.append("("); boolean first = true; for (Object o : args) { if (first == false) { sb.append(","); } else { first = false; } sb.append(o.toString()); } sb.append(")"); provider.getStream().println(sb.toString()); }}
/*
* Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.tracing;
import java.lang.reflect.Method;
import java.io.PrintStream;
import java.util.HashMap;
import com.sun.tracing.ProviderFactory;
import com.sun.tracing.Provider;
import com.sun.tracing.ProviderName;
import com.sun.tracing.Probe;
import com.sun.tracing.ProbeName;
/**
* Factory class to create tracing Providers.
*
* This factory will create tracing instances that print to a PrintStream
* when activated.
*
* @since 1.7
*/
public class PrintStreamProviderFactory extends ProviderFactory {
private PrintStream stream;
public PrintStreamProviderFactory(PrintStream stream) {
this.stream = stream;
}
public <T extends Provider> T createProvider(Class<T> cls) {
PrintStreamProvider provider = new PrintStreamProvider(cls, stream);
provider.init();
return provider.newProxyInstance();
}
}
class PrintStreamProvider extends ProviderSkeleton {
private PrintStream stream;
private String providerName;
protected ProbeSkeleton createProbe(Method m) {
String probeName = getAnnotationString(m, ProbeName.class, m.getName());
return new PrintStreamProbe(this, probeName, m.getParameterTypes());
}
PrintStreamProvider(Class<? extends Provider> type, PrintStream stream) {
super(type);
this.stream = stream;
this.providerName = getProviderName();
}
PrintStream getStream() {
return stream;
}
String getName() {
return providerName;
}
}
class PrintStreamProbe extends ProbeSkeleton {
private PrintStreamProvider provider;
private String name;
PrintStreamProbe(PrintStreamProvider p, String name, Class<?>[] params) {
super(params);
this.provider = p;
this.name = name;
}
public boolean isEnabled() {
return true;
}
public void uncheckedTrigger(Object[] args) {
StringBuffer sb = new StringBuffer();
sb.append(provider.getName());
sb.append(".");
sb.append(name);
sb.append("(");
boolean first = true;
for (Object o : args) {
if (first == false) {
sb.append(",");
} else {
first = false;
}
sb.append(o.toString());
}
sb.append(")");
provider.getStream().println(sb.toString());
}
}