Add @HttpParam from Weld manual

zanata-war/src/main/java/org/zanata/servlet/HttpParams.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2015, Red Hat, Inc. and individual contributors
+ * as indicated by the @author tags. See the copyright.txt file in the
+ * distribution for a full listing of individual contributors.
+ *
+ * This 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 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software 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 software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+
+package org.zanata.servlet;
+
+import javax.enterprise.inject.Produces;
+import javax.enterprise.inject.spi.InjectionPoint;
+import javax.faces.context.FacesContext;
+import javax.servlet.ServletRequest;
+
+import org.zanata.servlet.annotations.HttpParam;
+
+/**
+ * Producer for @HttpParam. Implementation taken from an example in the Weld manual.
+ * @author Sean Flanigan <a href="mailto:sflaniga@redhat.com">sflaniga@redhat.com</a>
+ */
+class HttpParams {
+
+    @Produces
+    @HttpParam("")
+    String getParamValue(InjectionPoint ip) {
+        ServletRequest request = (ServletRequest) FacesContext
+                .getCurrentInstance().getExternalContext().getRequest();
+        String name = ip.getAnnotated().getAnnotation(HttpParam.class).value();
+        return request.getParameter(name);
+    }
+}

zanata-war/src/main/java/org/zanata/servlet/annotations/HttpParam.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2015, Red Hat, Inc. and individual contributors
+ * as indicated by the @author tags. See the copyright.txt file in the
+ * distribution for a full listing of individual contributors.
+ *
+ * This 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 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software 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 software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+
+package org.zanata.servlet.annotations;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import javax.enterprise.util.Nonbinding;
+import javax.inject.Qualifier;
+
+
+/**
+ * JSF only: This can be used to inject an HTTP parameter by name.
+ * @author Sean Flanigan <a href="mailto:sflaniga@redhat.com">sflaniga@redhat.com</a>
+ */
+@Qualifier
+@Retention(RUNTIME)
+@Target({ TYPE, METHOD, FIELD, PARAMETER})
+public @interface HttpParam {
+    /**
+     * The name of the HTTP parameter to inject.
+     * @return the parameter name
+     */
+    @Nonbinding
+    public String value();
+}