Fix some quality flaws (#142)

php-checks/src/main/java/org/sonar/php/checks/MoreThanOneClassInFileCheck.java

@@ -54,10 +54,10 @@ public void visitScript(ScriptTree tree) {
     super.visitScript(tree);
 
     if ((nbClass + nbInterface) > 1) {
-      String message = String.format(MESSAGE,
-        nbClass > 0 ? (nbClass + " independent classes ") : "",
-        nbClass > 0 && nbInterface > 0 ? "and " : "",
-        nbInterface > 0 ? (nbInterface + " independent interfaces ") : "");
+      String independentClasses = nbClass > 0 ? (nbClass + " independent classes ") : "";
+      String and = nbClass > 0 && nbInterface > 0 ? "and " : "";
+      String indendentInterfaces = nbInterface > 0 ? (nbInterface + " independent interfaces ") : ""; 
+      String message = String.format(MESSAGE, independentClasses, and, indendentInterfaces);
 
       int cost = nbClass + nbInterface - 1;
       context().newFileIssue(this, message).cost(cost);

php-checks/src/main/java/org/sonar/php/checks/PHP5DeprecatedFunctionUsageCheck.java

@@ -37,6 +37,7 @@ public class PHP5DeprecatedFunctionUsageCheck extends FunctionUsageCheck {
   private static final String MESSAGE_SET_LOCAL_ARG = "Use the \"%s\" constant instead of a string literal.";
   private static final String MESSAGE_WITH_REPLACEMENT = "Replace this \"%s()\" call with a call to \"%s\".";
   private static final String MESSAGE_WITHOUT_REPLACEMENT = "Remove this \"%s()\" call.";
+  private static final String SESSION = "$_SESSION";
 
   private static final ImmutableMap<String, String> NEW_BY_DEPRECATED_FUNCTIONS = ImmutableMap.<String, String>builder()
     .put("call_user_method", "call_user_func()")
@@ -49,9 +50,9 @@ public class PHP5DeprecatedFunctionUsageCheck extends FunctionUsageCheck {
     .put("eregi_replace", "preg_replace() with 'i' modifier")
     .put("set_magic_quotes_runtime", "")
     .put("magic_quotes_runtime", "")
-    .put("session_register", "$_SESSION")
-    .put("session_unregister", "$_SESSION")
-    .put("session_is_registered", "$_SESSION")
+    .put("session_register", SESSION)
+    .put("session_unregister", SESSION)
+    .put("session_is_registered", SESSION)
     .put("set_socket_blocking", "stream_set_blocking")
     .put("split", "preg_split")
     .put("spliti", "preg_split")

php-checks/src/main/java/org/sonar/php/checks/TooManyFieldsInClassCheck.java

@@ -49,8 +49,8 @@ public class TooManyFieldsInClassCheck extends PHPVisitorCheck {
 
   @RuleProperty(
     key = "countNonpublicFields",
-    type = "BOOLEAN",
-    defaultValue = "" + DEFAULT_COUNT_NON_PUBLIC)
+    defaultValue = "" + DEFAULT_COUNT_NON_PUBLIC,
+    type = "BOOLEAN")
   boolean countNonpublicFields = DEFAULT_COUNT_NON_PUBLIC;
 
   @Override

php-checks/src/main/java/org/sonar/php/checks/TooManyMethodsInClassCheck.java

@@ -48,8 +48,8 @@ public class TooManyMethodsInClassCheck extends PHPVisitorCheck {
 
   @RuleProperty(
     key = "countNonpublicMethods",
-    type = "BOOLEAN",
-    defaultValue = "" + DEFAULT_NON_PUBLIC)
+    defaultValue = "" + DEFAULT_NON_PUBLIC,
+    type = "BOOLEAN")
   public boolean countNonpublicMethods = DEFAULT_NON_PUBLIC;
 
 

php-checks/src/main/java/org/sonar/php/checks/utils/package-info.java

@@ -0,0 +1,21 @@
+/*
+ * SonarQube PHP Plugin
+ * Copyright (C) 2010-2016 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+@javax.annotation.ParametersAreNonnullByDefault
+package org.sonar.php.checks.utils;

php-frontend/src/main/java/org/sonar/plugins/php/api/tests/package-info.java

@@ -0,0 +1,21 @@
+/*
+ * SonarQube PHP Plugin
+ * Copyright (C) 2010-2016 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+@javax.annotation.ParametersAreNonnullByDefault
+package org.sonar.plugins.php.api.tests;

sonar-php-plugin/src/main/java/org/sonar/plugins/php/phpunit/package-info.java

@@ -0,0 +1,24 @@
+/*
+ * SonarQube PHP Plugin
+ * Copyright (C) 2010-2016 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+@ParametersAreNonnullByDefault
+package org.sonar.plugins.php.phpunit;
+
+import javax.annotation.ParametersAreNonnullByDefault;
+

sonar-php-plugin/src/main/java/org/sonar/plugins/php/phpunit/xml/package-info.java

@@ -0,0 +1,24 @@
+/*
+ * SonarQube PHP Plugin
+ * Copyright (C) 2010-2016 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+@ParametersAreNonnullByDefault
+package org.sonar.plugins.php.phpunit.xml;
+
+import javax.annotation.ParametersAreNonnullByDefault;
+