pt 1 in reviving the android build (copied from pm 28a1, wish me luck)

mobile/android/thirdparty/ch/boye/httpclientandroidlib/message/BasicHeaderElement.java

@@ -0,0 +1,162 @@
+/*
+ * ====================================================================
+ * 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package ch.boye.httpclientandroidlib.message;
+
+import ch.boye.httpclientandroidlib.HeaderElement;
+import ch.boye.httpclientandroidlib.NameValuePair;
+import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
+import ch.boye.httpclientandroidlib.util.Args;
+import ch.boye.httpclientandroidlib.util.LangUtils;
+
+/**
+ * Basic implementation of {@link HeaderElement}
+ *
+ * @since 4.0
+ */
+@NotThreadSafe
+public class BasicHeaderElement implements HeaderElement, Cloneable {
+
+    private final String name;
+    private final String value;
+    private final NameValuePair[] parameters;
+
+    /**
+     * Constructor with name, value and parameters.
+     *
+     * @param name header element name
+     * @param value header element value. May be <tt>null</tt>
+     * @param parameters header element parameters. May be <tt>null</tt>.
+     *   Parameters are copied by reference, not by value
+     */
+    public BasicHeaderElement(
+            final String name,
+            final String value,
+            final NameValuePair[] parameters) {
+        super();
+        this.name = Args.notNull(name, "Name");
+        this.value = value;
+        if (parameters != null) {
+            this.parameters = parameters;
+        } else {
+            this.parameters = new NameValuePair[] {};
+        }
+    }
+
+    /**
+     * Constructor with name and value.
+     *
+     * @param name header element name
+     * @param value header element value. May be <tt>null</tt>
+     */
+    public BasicHeaderElement(final String name, final String value) {
+       this(name, value, null);
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public String getValue() {
+        return this.value;
+    }
+
+    public NameValuePair[] getParameters() {
+        return this.parameters.clone();
+    }
+
+    public int getParameterCount() {
+        return this.parameters.length;
+    }
+
+    public NameValuePair getParameter(final int index) {
+        // ArrayIndexOutOfBoundsException is appropriate
+        return this.parameters[index];
+    }
+
+    public NameValuePair getParameterByName(final String name) {
+        Args.notNull(name, "Name");
+        NameValuePair found = null;
+        for (final NameValuePair current : this.parameters) {
+            if (current.getName().equalsIgnoreCase(name)) {
+                found = current;
+                break;
+            }
+        }
+        return found;
+    }
+
+    @Override
+    public boolean equals(final Object object) {
+        if (this == object) {
+            return true;
+        }
+        if (object instanceof HeaderElement) {
+            final BasicHeaderElement that = (BasicHeaderElement) object;
+            return this.name.equals(that.name)
+                && LangUtils.equals(this.value, that.value)
+                && LangUtils.equals(this.parameters, that.parameters);
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = LangUtils.HASH_SEED;
+        hash = LangUtils.hashCode(hash, this.name);
+        hash = LangUtils.hashCode(hash, this.value);
+        for (final NameValuePair parameter : this.parameters) {
+            hash = LangUtils.hashCode(hash, parameter);
+        }
+        return hash;
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder buffer = new StringBuilder();
+        buffer.append(this.name);
+        if (this.value != null) {
+            buffer.append("=");
+            buffer.append(this.value);
+        }
+        for (final NameValuePair parameter : this.parameters) {
+            buffer.append("; ");
+            buffer.append(parameter);
+        }
+        return buffer.toString();
+    }
+
+    @Override
+    public Object clone() throws CloneNotSupportedException {
+        // parameters array is considered immutable
+        // no need to make a copy of it
+        return super.clone();
+    }
+
+}
+