Polish

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/MetricFilterAutoConfiguration.java

@@ -57,6 +57,7 @@ import org.springframework.web.util.UrlPathHelper;
 public class MetricFilterAutoConfiguration {
 
 	private static final int UNDEFINED_HTTP_STATUS = 999;
+
 	private static final String UNKNOWN_PATH_SUFFIX = "/unmapped";
 
 	@Autowired
@@ -90,10 +91,10 @@ public class MetricFilterAutoConfiguration {
 			finally {
 				stopWatch.stop();
 				int status = getStatus(response);
-				if (request.getAttribute(HandlerMapping.BEST_MATCHING_PATTERN_ATTRIBUTE) != null) {
-					suffix = request
-							.getAttribute(HandlerMapping.BEST_MATCHING_PATTERN_ATTRIBUTE)
-							.toString().replaceAll("[{}]", "-");
+				Object bestMatchingPattern = request
+						.getAttribute(HandlerMapping.BEST_MATCHING_PATTERN_ATTRIBUTE);
+				if (bestMatchingPattern != null) {
+					suffix = bestMatchingPattern.toString().replaceAll("[{}]", "-");
 				}
 				else if (HttpStatus.valueOf(status).is4xxClientError()) {
 					suffix = UNKNOWN_PATH_SUFFIX;

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/health/DataSourceHealthIndicator.java

@@ -21,6 +21,7 @@ import java.sql.ResultSet;
 import java.sql.ResultSetMetaData;
 import java.sql.SQLException;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 import javax.sql.DataSource;
@@ -52,8 +53,8 @@ public class DataSourceHealthIndicator extends AbstractHealthIndicator {
 	private static Map<String, String> queries = new HashMap<String, String>();
 
 	static {
-		queries.put("HSQL Database Engine",
-				"SELECT COUNT(*) FROM INFORMATION_SCHEMA.SYSTEM_USERS");
+		queries.put("HSQL Database Engine", "SELECT COUNT(*) FROM "
+				+ "INFORMATION_SCHEMA.SYSTEM_USERS");
 		queries.put("Oracle", "SELECT 'Hello' from DUAL");
 		queries.put("Apache Derby", "SELECT 1 FROM SYSIBM.SYSDUMMY1");
 	}
@@ -93,23 +94,11 @@ public class DataSourceHealthIndicator extends AbstractHealthIndicator {
 		String query = detectQuery(product);
 		if (StringUtils.hasText(query)) {
 			try {
-				builder.withDetail("hello", DataAccessUtils
-						.requiredSingleResult(this.jdbcTemplate.query(query,
-								new RowMapper<Object>() {
-
-									@Override
-									public Object mapRow(ResultSet rs, int rowNum)
-											throws SQLException {
-										ResultSetMetaData rsmd = rs.getMetaData();
-										int nrOfColumns = rsmd.getColumnCount();
-										if (nrOfColumns != 1) {
-											throw new IncorrectResultSetColumnCountException(
-													1, nrOfColumns);
-										}
-										return JdbcUtils.getResultSetValue(rs, 1);
-									}
-
-								})));
+				// Avoid calling getObject as it breaks MySQL on Java 7
+				List<Object> results = this.jdbcTemplate.query(query,
+						new SingleColumnRowMapper());
+				Object result = DataAccessUtils.requiredSingleResult(results);
+				builder.withDetail("hello", result);
 			}
 			catch (Exception ex) {
 				builder.down(ex);
@@ -147,4 +136,21 @@ public class DataSourceHealthIndicator extends AbstractHealthIndicator {
 		this.query = query;
 	}
 
+	/**
+	 * {@link RowMapper} that expects and returns results from a single column.
+	 */
+	private static class SingleColumnRowMapper implements RowMapper<Object> {
+
+		@Override
+		public Object mapRow(ResultSet rs, int rowNum) throws SQLException {
+			ResultSetMetaData metaData = rs.getMetaData();
+			int columns = metaData.getColumnCount();
+			if (columns != 1) {
+				throw new IncorrectResultSetColumnCountException(1, columns);
+			}
+			return JdbcUtils.getResultSetValue(rs, 1);
+		}
+
+	}
+
 }

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/MetricFilterAutoConfigurationTests.java

@@ -169,4 +169,4 @@ class MetricFilterTestController {
 	public String testKnownPathWith404Response(@PathVariable String someVariable) {
 		return someVariable;
 	}
-}
+}

spring-boot-cli/src/main/java/org/springframework/boot/cli/command/jar/JarCommand.java

@@ -191,7 +191,7 @@ public class JarCommand extends OptionParsingCommand {
 			manifest.getMainAttributes().putValue("Start-Class",
 					PackagedSpringApplicationLauncher.class.getName());
 			manifest.getMainAttributes().putValue(
-					PackagedSpringApplicationLauncher.SOURCE_MANIFEST_ENTRY,
+					PackagedSpringApplicationLauncher.SOURCE_ENTRY,
 					commaDelimitedClassNames(compiledClasses));
 			writer.writeManifest(manifest);
 		}

spring-boot-cli/src/main/java/org/springframework/boot/cli/compiler/DependencyCustomizer.java

@@ -257,7 +257,8 @@ public class DependencyCustomizer {
 	}
 
 	/**
-	 * @return the dependencyResolutionContext
+	 * Returns the {@link DependencyResolutionContext}.
+	 * @return the dependency resolution context
 	 */
 	public DependencyResolutionContext getDependencyResolutionContext() {
 		return this.dependencyResolutionContext;

spring-boot-cli/src/main/java/org/springframework/boot/cli/jar/PackagedSpringApplicationLauncher.java

@@ -20,6 +20,7 @@ import java.lang.reflect.Method;
 import java.net.URL;
 import java.net.URLClassLoader;
 import java.util.Enumeration;
+import java.util.jar.Attributes;
 import java.util.jar.Manifest;
 
 /**
@@ -30,9 +31,9 @@ import java.util.jar.Manifest;
  */
 public class PackagedSpringApplicationLauncher {
 
-	public static final String SOURCE_MANIFEST_ENTRY = "Spring-Application-Source-Classes";
+	public static final String SOURCE_ENTRY = "Spring-Application-Source-Classes";
 
-	public static final String MAIN_CLASS_MANIFEST_ENTRY = "Start-Class";
+	public static final String START_CLASS_ENTRY = "Start-Class";
 
 	private static final String SPRING_APPLICATION_CLASS = "org.springframework.boot.SpringApplication";
 
@@ -45,21 +46,25 @@ public class PackagedSpringApplicationLauncher {
 	}
 
 	private Object[] getSources(URLClassLoader classLoader) throws Exception {
-		for (Enumeration<URL> urls = classLoader.findResources("META-INF/MANIFEST.MF"); urls
-				.hasMoreElements();) {
+		Enumeration<URL> urls = classLoader.findResources("META-INF/MANIFEST.MF");
+		while (urls.hasMoreElements()) {
 			URL url = urls.nextElement();
 			Manifest manifest = new Manifest(url.openStream());
-			if (getClass().getName().equals(
-					manifest.getMainAttributes().getValue(MAIN_CLASS_MANIFEST_ENTRY))) {
-				String attribute = manifest.getMainAttributes().getValue(
-						SOURCE_MANIFEST_ENTRY);
-				return loadClasses(classLoader, attribute.split(","));
+			if (isCliPackaged(manifest)) {
+				String sources = manifest.getMainAttributes().getValue(SOURCE_ENTRY);
+				return loadClasses(classLoader, sources.split(","));
 			}
 		}
-		throw new IllegalStateException("Cannot locate " + SOURCE_MANIFEST_ENTRY
+		throw new IllegalStateException("Cannot locate " + SOURCE_ENTRY
 				+ " in MANIFEST.MF");
 	}
 
+	private boolean isCliPackaged(Manifest manifest) {
+		Attributes attributes = manifest.getMainAttributes();
+		String startClass = attributes.getValue(START_CLASS_ENTRY);
+		return getClass().getName().equals(startClass);
+	}
+
 	private Class<?>[] loadClasses(ClassLoader classLoader, String[] names)
 			throws ClassNotFoundException {
 		Class<?>[] classes = new Class<?>[names.length];

spring-boot-tools/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/Repackager.java

@@ -139,11 +139,10 @@ public class Repackager {
 
 	private boolean alreadyRepackaged() throws IOException {
 		JarFile jarFile = new JarFile(this.source);
-
 		try {
 			Manifest manifest = jarFile.getManifest();
-			return manifest != null
-					&& manifest.getMainAttributes().getValue(BOOT_VERSION_ATTRIBUTE) != null;
+			return (manifest != null && manifest.getMainAttributes().getValue(
+					BOOT_VERSION_ATTRIBUTE) != null);
 		}
 		finally {
 			jarFile.close();
@@ -226,7 +225,7 @@ public class Repackager {
 		String launcherClassName = this.layout.getLauncherClassName();
 		if (launcherClassName != null) {
 			manifest.getMainAttributes()
-			.putValue(MAIN_CLASS_ATTRIBUTE, launcherClassName);
+					.putValue(MAIN_CLASS_ATTRIBUTE, launcherClassName);
 			if (startClass == null) {
 				throw new IllegalStateException("Unable to find main class");
 			}

spring-boot/src/main/java/org/springframework/boot/bind/RelaxedDataBinder.java

@@ -28,7 +28,6 @@ import org.springframework.beans.BeanWrapperImpl;
 import org.springframework.beans.InvalidPropertyException;
 import org.springframework.beans.MutablePropertyValues;
 import org.springframework.beans.PropertyValue;
-import org.springframework.core.convert.ConversionService;
 import org.springframework.core.convert.TypeDescriptor;
 import org.springframework.util.StringUtils;
 import org.springframework.validation.DataBinder;
@@ -48,8 +47,6 @@ public class RelaxedDataBinder extends DataBinder {
 
 	private boolean ignoreNestedProperties;
 
-	private ConversionService relaxedConversionService;
-
 	/**
 	 * Create a new {@link RelaxedDataBinder} instance.
 	 * @param target the target into which properties are bound
@@ -79,19 +76,12 @@ public class RelaxedDataBinder extends DataBinder {
 		this.ignoreNestedProperties = ignoreNestedProperties;
 	}
 
-	@Override
-	public void setConversionService(ConversionService conversionService) {
-		super.setConversionService(conversionService);
-		this.relaxedConversionService = new RelaxedConversionService(getConversionService());
-	}
-
 	@Override
 	public void initBeanPropertyAccess() {
 		super.initBeanPropertyAccess();
-		this.relaxedConversionService = (this.relaxedConversionService != null
-				?  this.relaxedConversionService : new RelaxedConversionService(getConversionService()));
 		// Hook in the RelaxedConversionService
-		getInternalBindingResult().initConversion(relaxedConversionService);
+		getInternalBindingResult().initConversion(
+				new RelaxedConversionService(getConversionService()));
 	}
 
 	@Override
@@ -120,13 +110,13 @@ public class RelaxedDataBinder extends DataBinder {
 			propertyValues = addMapPrefix(propertyValues);
 		}
 
-		BeanWrapper targetWrapper = new BeanWrapperImpl(target);
-		targetWrapper.setConversionService(this.relaxedConversionService);
-		targetWrapper.setAutoGrowNestedPaths(true);
+		BeanWrapper wrapper = new BeanWrapperImpl(target);
+		wrapper.setConversionService(new RelaxedConversionService(getConversionService()));
+		wrapper.setAutoGrowNestedPaths(true);
 
 		List<PropertyValue> list = propertyValues.getPropertyValueList();
 		for (int i = 0; i < list.size(); i++) {
-			modifyProperty(propertyValues, targetWrapper, list.get(i), i);
+			modifyProperty(propertyValues, wrapper, list.get(i), i);
 		}
 		return propertyValues;
 	}