Showing the changes to java/pkg/sun/tracing/PrintStreamProviderFactory.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,120 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.tracing; | ||
| 27 | |||
| 28 | import java.lang.reflect.Method; | ||
| 29 | import java.io.PrintStream; | ||
| 30 | import java.util.HashMap; | ||
| 31 | |||
| 32 | import com.sun.tracing.ProviderFactory; | ||
| 33 | import com.sun.tracing.Provider; | ||
| 34 | import com.sun.tracing.ProviderName; | ||
| 35 | import com.sun.tracing.Probe; | ||
| 36 | import com.sun.tracing.ProbeName; | ||
| 37 | |||
| 38 | /** | ||
| 39 | * Factory class to create tracing Providers. | ||
| 40 | * | ||
| 41 | * This factory will create tracing instances that print to a PrintStream | ||
| 42 | * when activated. | ||
| 43 | * | ||
| 44 | * @since 1.7 | ||
| 45 | */ | ||
| 46 | public class PrintStreamProviderFactory extends ProviderFactory { | ||
| 47 | |||
| 48 | private PrintStream stream; | ||
| 49 | |||
| 50 | public PrintStreamProviderFactory(PrintStream stream) { | ||
| 51 | this.stream = stream; | ||
| 52 | } | ||
| 53 | |||
| 54 | public <T extends Provider> T createProvider(Class<T> cls) { | ||
| 55 | PrintStreamProvider provider = new PrintStreamProvider(cls, stream); | ||
| 56 | provider.init(); | ||
| 57 | return provider.newProxyInstance(); | ||
| 58 | } | ||
| 59 | } | ||
| 60 | |||
| 61 | class PrintStreamProvider extends ProviderSkeleton { | ||
| 62 | |||
| 63 | private PrintStream stream; | ||
| 64 | private String providerName; | ||
| 65 | |||
| 66 | protected ProbeSkeleton createProbe(Method m) { | ||
| 67 | String probeName = getAnnotationString(m, ProbeName.class, m.getName()); | ||
| 68 | return new PrintStreamProbe(this, probeName, m.getParameterTypes()); | ||
| 69 | } | ||
| 70 | |||
| 71 | PrintStreamProvider(Class<? extends Provider> type, PrintStream stream) { | ||
| 72 | super(type); | ||
| 73 | this.stream = stream; | ||
| 74 | this.providerName = getProviderName(); | ||
| 75 | } | ||
| 76 | |||
| 77 | PrintStream getStream() { | ||
| 78 | return stream; | ||
| 79 | } | ||
| 80 | |||
| 81 | String getName() { | ||
| 82 | return providerName; | ||
| 83 | } | ||
| 84 | } | ||
| 85 | |||
| 86 | class PrintStreamProbe extends ProbeSkeleton { | ||
| 87 | |||
| 88 | private PrintStreamProvider provider; | ||
| 89 | private String name; | ||
| 90 | |||
| 91 | PrintStreamProbe(PrintStreamProvider p, String name, Class<?>[] params) { | ||
| 92 | super(params); | ||
| 93 | this.provider = p; | ||
| 94 | this.name = name; | ||
| 95 | } | ||
| 96 | |||
| 97 | public boolean isEnabled() { | ||
| 98 | return true; | ||
| 99 | } | ||
| 100 | |||
| 101 | public void uncheckedTrigger(Object[] args) { | ||
| 102 | StringBuffer sb = new StringBuffer(); | ||
| 103 | sb.append(provider.getName()); | ||
| 104 | sb.append("."); | ||
| 105 | sb.append(name); | ||
| 106 | sb.append("("); | ||
| 107 | boolean first = true; | ||
| 108 | for (Object o : args) { | ||
| 109 | if (first == false) { | ||
| 110 | sb.append(","); | ||
| 111 | } else { | ||
| 112 | first = false; | ||
| 113 | } | ||
| 114 | sb.append(o.toString()); | ||
| 115 | } | ||
| 116 | sb.append(")"); | ||
| 117 | provider.getStream().println(sb.toString()); | ||
| 118 | } | ||
| 119 | } | ||
| 120 | |||