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

mobile/android/thirdparty/ch/boye/httpclientandroidlib/config/MessageConstraints.java

@@ -0,0 +1,113 @@
+/*
+ * ====================================================================
+ * 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.config;
+
+import ch.boye.httpclientandroidlib.util.Args;
+
+/**
+ * HTTP Message constraints: line length and header count.
+ *
+ * @since 4.3
+ */
+public class MessageConstraints implements Cloneable {
+
+    public static final MessageConstraints DEFAULT = new Builder().build();
+
+    private final int maxLineLength;
+    private final int maxHeaderCount;
+
+    MessageConstraints(final int maxLineLength, final int maxHeaderCount) {
+        super();
+        this.maxLineLength = maxLineLength;
+        this.maxHeaderCount = maxHeaderCount;
+    }
+
+    public int getMaxLineLength() {
+        return maxLineLength;
+    }
+
+    public int getMaxHeaderCount() {
+        return maxHeaderCount;
+    }
+
+    @Override
+    protected MessageConstraints clone() throws CloneNotSupportedException {
+        return (MessageConstraints) super.clone();
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder builder = new StringBuilder();
+        builder.append("[maxLineLength=").append(maxLineLength)
+                .append(", maxHeaderCount=").append(maxHeaderCount)
+                .append("]");
+        return builder.toString();
+    }
+
+    public static MessageConstraints lineLen(final int max) {
+        return new MessageConstraints(Args.notNegative(max, "Max line length"), -1);
+    }
+
+    public static MessageConstraints.Builder custom() {
+        return new Builder();
+    }
+
+    public static MessageConstraints.Builder copy(final MessageConstraints config) {
+        Args.notNull(config, "Message constraints");
+        return new Builder()
+            .setMaxHeaderCount(config.getMaxHeaderCount())
+            .setMaxLineLength(config.getMaxLineLength());
+    }
+
+    public static class Builder {
+
+        private int maxLineLength;
+        private int maxHeaderCount;
+
+        Builder() {
+            this.maxLineLength = -1;
+            this.maxHeaderCount = -1;
+        }
+
+        public Builder setMaxLineLength(final int maxLineLength) {
+            this.maxLineLength = maxLineLength;
+            return this;
+        }
+
+        public Builder setMaxHeaderCount(final int maxHeaderCount) {
+            this.maxHeaderCount = maxHeaderCount;
+            return this;
+        }
+
+        public MessageConstraints build() {
+            return new MessageConstraints(maxLineLength, maxHeaderCount);
+        }
+
+    }
+
+}