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org.apache.wink.server.internal.log.LogUtilities Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.wink.server.internal.log;
import java.lang.reflect.Method;
import java.util.Formatter;
import java.util.List;
import java.util.Set;
import javax.ws.rs.core.MediaType;
import org.apache.wink.common.internal.i18n.Messages;
import org.apache.wink.common.internal.registry.metadata.ClassMetadata;
import org.apache.wink.common.internal.registry.metadata.MethodMetadata;
import org.apache.wink.server.internal.registry.ResourceRecord;
import org.apache.wink.server.internal.registry.SubResourceRecord;
import org.slf4j.Logger;
public class LogUtilities {
/*
* break the table into rows of BREAK_POINT. this may eliminate the
* accumulation of a massive string (i.e. thousands of resources)
*/
static final int BREAK_POINT = 20;
private LogUtilities() {
/* do nothing */
}
static String constructMethodString(Method javaMethod) {
if (javaMethod == null) {
return "";
}
StringBuffer methodName = new StringBuffer();
methodName.append(javaMethod.getName());
boolean isFirst = true;
methodName.append("(");
for (Class paramTypes : javaMethod.getParameterTypes()) {
if (!isFirst) {
methodName.append(",");
} else {
isFirst = false;
}
methodName.append(paramTypes.getSimpleName());
}
methodName.append(")");
return methodName.toString();
}
static String constructMediaTypeString(Set mtSet) {
if (mtSet == null || mtSet.isEmpty()) {
return "[*/*]";
}
return mtSet.toString();
}
public static void logResourceMetadata(List resourceRecords,
Logger logger,
boolean isTrace,
boolean isLogForOneResource) {
StringBuffer sb = new StringBuffer();
Formatter f = new Formatter(sb);
f.format("%n%1$-80s %2$-13s %3$-20s %4$-20s %5$s",
"Path",
"HTTP Method",
"Consumes",
"Produces",
"Resource Method");
int counter = 0;
for (ResourceRecord record : resourceRecords) {
try {
final String resourceClassName = record.getMetadata().getResourceClass().getName();
final ClassMetadata resourceMetadata = record.getMetadata();
final String resourcePath = resourceMetadata.getPath();
for (MethodMetadata methodMetadata : resourceMetadata.getResourceMethods()) {
++counter;
try {
String path = resourcePath;
String httpMethod = methodMetadata.getHttpMethod();
String consumes = constructMediaTypeString(methodMetadata.getConsumes());
String produces = constructMediaTypeString(methodMetadata.getProduces());
String methodName =
constructMethodString(methodMetadata.getReflectionMethod());
/* path is null so regular resource method */
f.format("%n%1$-80s %2$-13s %3$-20s %4$-20s %5$s.%6$s",
path,
httpMethod,
consumes,
produces,
resourceClassName,
methodName);
} catch (Exception e) {
logger.trace("Could not print the entire method metadata for {}",
resourceClassName,
e);
}
if (counter % LogUtilities.BREAK_POINT == 0) {
if (isTrace) {
if (isLogForOneResource) {
logger
.trace("Resource information for {}:{}", resourceMetadata.getResourceClass().getName(), sb); //$NON-NLS-1$
} else {
logger.trace(Messages.getMessage("registeredResources", sb)); //$NON-NLS-1$
}
} else {
if (isLogForOneResource) {
logger
.debug("Resource information for {}:{}", resourceMetadata.getResourceClass().getName(), sb); //$NON-NLS-1$
} else {
logger.debug(Messages.getMessage("registeredResources", sb)); //$NON-NLS-1$
}
}
sb = new StringBuffer();
f = new Formatter(sb);
f.format("%n%1$-80s %2$-13s %3$-20s %4$-20s %5$s",
"Path",
"HTTP Method",
"Consumes",
"Produces",
"Resource Method");
}
}
for (SubResourceRecord subResourceRecord : record.getSubResourceRecords()) {
++counter;
try {
MethodMetadata method = subResourceRecord.getMetadata();
StringBuilder path = new StringBuilder(resourcePath);
if (!resourcePath.endsWith("/")) {
path.append("/");
}
path.append(method.getPath());
String httpMethod = method.getHttpMethod();
if (httpMethod == null) {
httpMethod = "(Sub-Locator)";
}
String consumes = constructMediaTypeString(method.getConsumes());
String produces = constructMediaTypeString(method.getProduces());
String methodName = constructMethodString(method.getReflectionMethod());
f.format("%n%1$-80s %2$-13s %3$-20s %4$-20s %5$s.%6$s",
path,
httpMethod,
consumes,
produces,
resourceClassName,
methodName);
} catch (Exception e) {
logger.trace("Could not print the entire method metadata for {}",
resourceClassName,
e);
}
if (counter % LogUtilities.BREAK_POINT == 0) {
if (isTrace) {
if (isLogForOneResource) {
logger
.trace("Resource information for {}:{}", resourceMetadata.getResourceClass().getName(), sb); //$NON-NLS-1$
} else {
logger.trace(Messages.getMessage("registeredResources", sb)); //$NON-NLS-1$
}
} else {
if (isLogForOneResource) {
logger
.debug("Resource information for {}:{}", resourceMetadata.getResourceClass().getName(), sb); //$NON-NLS-1$
} else {
logger.debug(Messages.getMessage("registeredResources", sb)); //$NON-NLS-1$
}
}
sb = new StringBuffer();
f = new Formatter(sb);
f.format("%n%1$-80s %2$-13s %3$-20s %4$-20s %5$s",
"Path",
"HTTP Method",
"Consumes",
"Produces",
"Resource Method");
}
}
} catch (Exception e) {
logger.trace("Could not print the entire resource metadata", e);
}
}
if (counter % LogUtilities.BREAK_POINT != 0) {
if (isTrace) {
if (isLogForOneResource) {
logger
.trace("Resource information for {}:{}", resourceRecords.get(0).getMetadata().getResourceClass().getName(), sb); //$NON-NLS-1$
} else {
logger.trace(Messages.getMessage("registeredResources", sb)); //$NON-NLS-1$
}
} else {
if (isLogForOneResource) {
logger
.debug("Resource information for {}:{}", resourceRecords.get(0).getMetadata().getResourceClass().getName(), sb); //$NON-NLS-1$
} else {
logger.debug(Messages.getMessage("registeredResources", sb)); //$NON-NLS-1$
}
}
sb = new StringBuffer();
f = new Formatter(sb);
f.format("%n%1$-80s %2$-13s %3$-20s %4$-20s %5$s",
"Path",
"HTTP Method",
"Consumes",
"Produces",
"Resource Method");
}
}
}
