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Apache CXF example source code file (JAXRSLoggingAtomPullSpringTest.java)

This example Apache CXF source code file (JAXRSLoggingAtomPullSpringTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Apache CXF tags/keywords

exception, exception, ignore, io, log, logger, logging, path, port, port, resource3, resource4, resource4, string, string, test, util, webclient

The Apache CXF JAXRSLoggingAtomPullSpringTest.java source code

/**
 * 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.cxf.systest.jaxrs;

import java.io.StringReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.xml.bind.JAXBContext;

import org.apache.abdera.model.Entry;
import org.apache.abdera.model.Feed;
import org.apache.abdera.model.Link;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.jaxrs.client.WebClient;
import org.apache.cxf.jaxrs.ext.search.SearchCondition;
import org.apache.cxf.jaxrs.provider.AtomEntryProvider;
import org.apache.cxf.jaxrs.provider.AtomFeedProvider;
import org.apache.cxf.management.web.logging.LogLevel;
import org.apache.cxf.management.web.logging.ReadWriteLogStorage;
import org.apache.cxf.management.web.logging.ReadableLogStorage;
import org.apache.cxf.testutil.common.AbstractClientServerTestBase;
import org.apache.cxf.transport.http.HTTPConduit;

import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;

public class JAXRSLoggingAtomPullSpringTest extends AbstractClientServerTestBase {
    public static final String PORT = SpringServer.PORT;

    private static JAXBContext context; 
    private int fakyLogger;
    private int namedLogger;
    private int resourceLogger;
    private int throwables;
    
    @BeforeClass
    public static void beforeClass() throws Exception {
        //make sure the Resource things have their static initializers called 
        //to make sure the Loggers are created.  Otherwise, the Loggers that the server 
        //sets the handler into could be garbage collected before the init is called
        new Resource();
        new Resource2();
        new Resource3();
        // must be 'in-process' to communicate with inner class in single JVM
        // and to spawn class SpringServer w/o using main() method
        launchServer(SpringServer.class, true);
        context = JAXBContext.newInstance(org.apache.cxf.management.web.logging.LogRecord.class);
    }

    @Ignore
    public static class SpringServer extends AbstractSpringServer {
        public SpringServer() {
            super("/jaxrs_logging_atompull");
        }
    }

    @Before
    public void before() throws Exception {
        Storage.clearRecords();
    }

    
    @Test
    public void testFeed() throws Exception {
        String listing = WebClient.create("http://localhost:" + PORT + "/services").get(String.class);
        assertTrue(listing, listing.contains("http://localhost:" + PORT + "/atom/logs"));
        WebClient wc = WebClient.create("http://localhost:" + PORT + "/resource/root");
        wc.path("/log").get();
        Thread.sleep(3000);
        
        checkSimpleFeed(getFeed("http://localhost:" + PORT + "/atom/logs").getEntries());
        checkSimpleFeed(getFeed("http://localhost:" + PORT + "/atom/logs").getEntries());
     
        List<Entry> entries = new LinkedList();
        WebClient wcEntry = WebClient.create("http://localhost:" + PORT + "/atom/logs",
            Collections.singletonList(new AtomEntryProvider()))
            .accept("application/atom+xml;type=entry");
        HTTPConduit conduit = WebClient.getConfig(wcEntry).getHttpConduit();
        conduit.getClient().setReceiveTimeout(1000000);
        conduit.getClient().setConnectionTimeout(1000000);
        for (int i = 0; i < 8; i++) {
            Entry entry = wcEntry.path("entry/" + i).get(Entry.class);
            entry.toString();
            entries.add(entry);
            wcEntry.back(true);
        }
        checkSimpleFeed(entries);
    }
    
    private void checkSimpleFeed(List<Entry> entries) throws Exception {
        assertEquals(8, entries.size());
        
        resetCounters();
        for (Entry e : entries) {
            updateCounters(readLogRecord(e.getContent()), "Resource", "namedLogger");
        }
        
        verifyCounters();
    }
    
    @Test
    public void testPagedFeed() throws Exception {
        WebClient wc = WebClient.create("http://localhost:" + PORT + "/resource2/paged");
        wc.path("/log").get();
        Thread.sleep(3000);
        
        verifyPages("http://localhost:" + PORT + "/atom2/logs", "next", 3, 2, "theNamedLogger");
        verifyPages("http://localhost:" + PORT + "/atom2/logs/3", "previous", 2, 3, "theNamedLogger");
    }
    
    @Test
    public void testPagedFeedWithReadWriteStorage() throws Exception {
        WebClient wc = WebClient.create("http://localhost:" + PORT + "/resource3/storage");
        HTTPConduit conduit = WebClient.getConfig(wc).getHttpConduit();
        conduit.getClient().setReceiveTimeout(1000000);
        conduit.getClient().setConnectionTimeout(1000000);
        wc.path("/log").get();
        Thread.sleep(3000);
        
        verifyStoragePages("http://localhost:" 
                           + PORT + "/atom3/logs", "next", "Resource3", "theStorageLogger");
        List<org.apache.cxf.management.web.logging.LogRecord> list = Storage.getRecords();
        assertEquals(4, list.size());
        verifyStoragePages("http://localhost:" 
                           + PORT + "/atom3/logs", "next", "Resource3", "theStorageLogger");
        verifyStoragePages("http://localhost:" + PORT + "/atom3/logs/2", "previous", "Resource3", 
                           "theStorageLogger");
    }
    
    @Test
    public void testPagedFeedWithReadOnlyStorage() throws Exception {
        verifyStoragePages("http://localhost:" 
                           + PORT + "/atom4/logs", "next", "Resource4", "readOnlyStorageLogger");
        verifyStoragePages("http://localhost:" + PORT + "/atom4/logs/2", "previous", "Resource4", 
                           "readOnlyStorageLogger");
    }
    
    private void verifyStoragePages(String startAddress, String rel, 
                                    String resourceName, String nLogger) 
        throws Exception {
        List<Entry> entries = new ArrayList();
        String href1 = fillPagedEntries(entries, startAddress, 4, rel, true);
        assertNull(fillPagedEntries(entries, href1, 4, rel, false));
        assertEquals(8, entries.size());
        
        resetCounters();
        for (Entry e : entries) {
            updateCounters(readLogRecord(e.getContent()), resourceName, nLogger);
        }
        if ("Resource4".equals(resourceName)) {
            assertEquals(1, throwables);
            assertEquals(6, resourceLogger);
            assertEquals(2, namedLogger);
            assertEquals(0, fakyLogger);
        } else {
            verifyCounters();
        }
    }
    
    private void verifyPages(String startAddress, String rel, 
                             int firstValue, int lastValue, String nLogger) 
        throws Exception {
        List<Entry> entries = new ArrayList();
        String href1 = fillPagedEntries(entries, startAddress, 
                                        firstValue, rel, true);
        String href2 = fillPagedEntries(entries, href1, 3, rel, true);
        assertNull(fillPagedEntries(entries, href2, lastValue, rel, false));
        assertEquals(8, entries.size());
        
        resetCounters();
        for (Entry e : entries) {
            updateCounters(readLogRecord(e.getContent()), "Resource2", nLogger);
        }
        verifyCounters();
    }
    
    private String fillPagedEntries(List<Entry> entries, String href, int expected, 
                                    String rel, boolean relExpected) {
        Feed feed = getFeed(href);
        assertEquals(expected, feed.getEntries().size());
        entries.addAll(feed.getEntries());
        
        Link link = feed.getLink(rel);
        if (relExpected) {
            assertNotNull(link);
            return link.getHref().toString();
        } else {
            return null;
        }
    }
    
    private Feed getFeed(String address) {
        WebClient wc = WebClient.create(address,
                                         Collections.singletonList(new AtomFeedProvider()));
        Feed feed = wc.accept("application/atom+xml").get(Feed.class);
        feed.toString();
        return feed;
    }
    
    @Ignore
    @Path("/root")
    public static class Resource {
        private static final Logger LOG1 = LogUtils.getL7dLogger(Resource.class);
        private static final Logger LOG2 = LogUtils.getL7dLogger(Resource.class, null, "namedLogger");
        
        @GET
        @Path("/log")
        public void doLogging() {
            doLog(Resource.LOG1, Resource.LOG2);
        }

    }
    
    @Ignore
    @Path("/paged")
    public static class Resource2 {
        private static final Logger LOG1 = LogUtils.getL7dLogger(Resource2.class);
        private static final Logger LOG2 = LogUtils.getL7dLogger(Resource2.class, null, "theNamedLogger");
        
        @GET
        @Path("/log")
        public void doLogging() {
            doLog(Resource2.LOG1, Resource2.LOG2);
        }

    }
    
    @Ignore
    @Path("/storage")
    public static class Resource3 {
        private static final Logger LOG1 = LogUtils.getL7dLogger(Resource3.class);
        private static final Logger LOG2 = LogUtils.getL7dLogger(Resource3.class, null, "theStorageLogger");
        
        @GET
        @Path("/log")
        public void doLogging() {
            doLog(Resource3.LOG1, Resource3.LOG2);
        }

    }
    
    @Ignore
    public static class ExternalStorage implements ReadableLogStorage {

        private List<org.apache.cxf.management.web.logging.LogRecord> records = 
            new LinkedList<org.apache.cxf.management.web.logging.LogRecord>();
        
        public ExternalStorage() {
            addRecord("org.apache.cxf.systest.jaxrs.JAXRSLoggingAtomPullSpringTest$Resource4", 
                      Level.SEVERE, null);
            addRecord("org.apache.cxf.systest.jaxrs.JAXRSLoggingAtomPullSpringTest$Resource4", 
                      Level.WARNING, null);
            addRecord("org.apache.cxf.systest.jaxrs.JAXRSLoggingAtomPullSpringTest$Resource4", 
                      Level.INFO, null);
            addRecord("org.apache.cxf.systest.jaxrs.JAXRSLoggingAtomPullSpringTest$Resource4",
                      Level.FINE, new IllegalArgumentException());
            addRecord("org.apache.cxf.systest.jaxrs.JAXRSLoggingAtomPullSpringTest$Resource4", 
                      Level.FINEST, null);
            addRecord("org.apache.cxf.systest.jaxrs.JAXRSLoggingAtomPullSpringTest$Resource4", 
                      Level.FINER, null);
            addRecord("readOnlyStorageLogger", Level.SEVERE, null);
            addRecord("readOnlyStorageLogger", Level.SEVERE, null);
        }
        
        private void addRecord(String loggerName, Level level, Throwable t) {
            org.apache.cxf.management.web.logging.LogRecord lr = 
                new org.apache.cxf.management.web.logging.LogRecord();
            lr.setLoggerName(loggerName);
            lr.setLevel(LogLevel.fromJUL(level));
            if (t != null) {
                lr.setThrowable(t);
            }
            records.add(lr);
        }
        
        public void close() {
            // TODO Auto-generated method stub
            
        }

        public int getSize() {
            // this storage is getting the records from a file log entries are added to
            return -1;
        }

        public void load(List<org.apache.cxf.management.web.logging.LogRecord> list, 
                         SearchCondition<org.apache.cxf.management.web.logging.LogRecord> condition, 
                         int loadFrom, 
                         int maxNumberOfRecords) {
            int limit = loadFrom + maxNumberOfRecords;
            for (int i = loadFrom; i < limit; i++) {
                if (condition.isMet(records.get(i))) {
                    list.add(records.get(i));
                }
            }
        }
        
    }
    
    @Ignore
    public static class Storage implements ReadWriteLogStorage {
        private static List<org.apache.cxf.management.web.logging.LogRecord> records = 
            new LinkedList<org.apache.cxf.management.web.logging.LogRecord>();

        public void load(List<org.apache.cxf.management.web.logging.LogRecord> list,
                         SearchCondition<org.apache.cxf.management.web.logging.LogRecord> sc,
                         int from, int quantity) {
            list.addAll(records.subList(from, from + quantity));
        }

        public void save(List<org.apache.cxf.management.web.logging.LogRecord> list) {
            records.addAll(list);
        }
        
        public void clear() {
        }

        public void close() {
        }

        public int getSize() {
            return records.size();
        }

        public static List<org.apache.cxf.management.web.logging.LogRecord> getRecords() {
            return records;
        }
        
        public static void clearRecords() {
            records.clear();
        }
    }
    
    
    private static void doLog(Logger l1, Logger l2) {
        l1.severe("severe message");
        l1.warning("warning message");
        l1.info("info message");
        LogRecord r = new LogRecord(Level.FINE, "fine message");
        if ("Resource4".equals(l1.getName())) {
            r.setLoggerName(l1.getName());
        }
        r.setThrown(new IllegalArgumentException("tadaam"));
        l1.log(r);
        r = new LogRecord(Level.FINER, "finer message with {0} and {1}");
        r.setParameters(new Object[] {
            "param1", "param2"
        });
        r.setLoggerName("faky-logger");
        l1.log(r);
        l1.finest("finest message");

        // for LOG2 only 'warning' and above messages should be logged
        l2.severe("severe message");
        l2.severe("severe message2");
        l2.info("info message - should not pass!");
        l2.finer("finer message - should not pass!");
        
    }
    
    private org.apache.cxf.management.web.logging.LogRecord readLogRecord(String value) throws Exception {
        return (org.apache.cxf.management.web.logging.LogRecord)
            context.createUnmarshaller().unmarshal(new StringReader(value));
    }
    
    
    private void updateCounters(org.apache.cxf.management.web.logging.LogRecord record, 
                                String clsName,
                                String namedLoggerName) {
        String name = record.getLoggerName();
        if (name != null && name.length() > 0) {
            if (("org.apache.cxf.systest.jaxrs.JAXRSLoggingAtomPullSpringTest$" + clsName).equals(name)) {
                resourceLogger++;      
            } else if (namedLoggerName.equals(name)) {
                namedLogger++;      
            } else if ("faky-logger".equals(name)) {
                fakyLogger++;      
            }
        } 
        
        if (record.getThrowable().length() > 0) {
            throwables++;
        }
    }
    
    private void resetCounters() {
        fakyLogger = 0;
        namedLogger = 0;
        resourceLogger = 0;
        throwables = 0;
    }
    
    private void verifyCounters() {
        assertEquals(1, throwables);
        assertEquals(4, resourceLogger);
        assertEquals(2, namedLogger);
        assertEquals(1, fakyLogger);
    }
}

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