1 files changed, 117 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/Http.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/Http.java
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--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/Http.java
@@ -0,0 +1,117 @@
+/*
+ *  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.tools.ant.taskdefs.condition;
+
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.Locale;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Project;
+import org.apache.tools.ant.ProjectComponent;
+
+/**
+ * Condition to wait for a HTTP request to succeed. Its attribute(s) are:
+ *   url - the URL of the request.
+ *   errorsBeginAt - number at which errors begin at; default=400.
+ *   requestMethod - HTTP request method to use; GET, HEAD, etc. default=GET
+ * @since Ant 1.5
+ */
+public class Http extends ProjectComponent implements Condition {
+    private static final int ERROR_BEGINS = 400;
+    private static final String DEFAULT_REQUEST_METHOD = "GET";
+
+    private String spec = null;
+    private String requestMethod = DEFAULT_REQUEST_METHOD;
+
+
+    /**
+     * Set the url attribute
+     * @param url the url of the request
+     */
+    public void setUrl(String url) {
+        spec = url;
+    }
+
+    private int errorsBeginAt = ERROR_BEGINS;
+
+    /**
+     * Set the errorsBeginAt attribute
+     * @param errorsBeginAt number at which errors begin at, default is
+     *                      400
+     */
+    public void setErrorsBeginAt(int errorsBeginAt) {
+        this.errorsBeginAt = errorsBeginAt;
+    }
+
+    /**
+     * Sets the method to be used when issuing the HTTP request.
+     *
+     * @param method The HTTP request method to use. Valid values are
+     *               the same as those accepted by the
+     *               HttpURLConnection.setRequestMetho d() method,
+     *               such as "GET", "HEAD", "TRACE", etc. The default
+     *               if not specified is "GET".
+     *
+     * @see java.net.HttpURLConnection#setRequestMethod
+     * @since Ant 1.8.0
+     */
+    public void setRequestMethod(String method) {
+        this.requestMethod = method == null ? DEFAULT_REQUEST_METHOD
+            : method.toUpperCase(Locale.ENGLISH);
+    }
+
+    /**
+     * @return true if the HTTP request succeeds
+     * @exception BuildException if an error occurs
+     */
+    public boolean eval() throws BuildException {
+        if (spec == null) {
+            throw new BuildException("No url specified in http condition");
+        }
+        log("Checking for " + spec, Project.MSG_VERBOSE);
+        try {
+            URL url = new URL(spec);
+            try {
+                URLConnection conn = url.openConnection();
+                if (conn instanceof HttpURLConnection) {
+                    HttpURLConnection http = (HttpURLConnection) conn;
+                    http.setRequestMethod(requestMethod);
+                    int code = http.getResponseCode();
+                    log("Result code for " + spec + " was " + code,
+                        Project.MSG_VERBOSE);
+                    if (code > 0 && code < errorsBeginAt) {
+                        return true;
+                    }
+                    return false;
+                }
+            } catch (java.net.ProtocolException pe) {
+                throw new BuildException("Invalid HTTP protocol: "
+                                         + requestMethod, pe);
+            } catch (java.io.IOException e) {
+                return false;
+            }
+        } catch (MalformedURLException e) {
+            throw new BuildException("Badly formed URL: " + spec, e);
+        }
+        return true;
+    }
+}