added ConfigurableCurlBuilder

ok2curl/src/main/java/com/moczul/ok2curl/ConfigurableCurlBuilder.java

@@ -0,0 +1,86 @@
+package com.moczul.ok2curl;
+
+import com.moczul.ok2curl.modifier.HeaderModifier;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import okhttp3.Request;
+
+import static com.moczul.ok2curl.StringUtil.join;
+
+public class ConfigurableCurlBuilder extends CurlBuilder {
+
+    public static final int PART_CURL = 0;
+    public static final int PART_OPTIONS = 1;
+    public static final int PART_METHOD = 2;
+    public static final int PART_HEADERS = 3;
+    public static final int PART_CONTENT_TYPE = 4;
+    public static final int PART_BODY = 5;
+    public static final int PART_URL = 6;
+    protected static final int[] DEFAULT_PARTS_ORDER = new int[]{PART_CURL, PART_OPTIONS, PART_METHOD, PART_HEADERS, PART_CONTENT_TYPE, PART_BODY, PART_URL};
+
+    protected final int[] partsOrder;
+
+    public ConfigurableCurlBuilder(Request request, long limit, List<HeaderModifier> headerModifiers, Options options, String delimiter) {
+        this(request, limit, headerModifiers, options, delimiter, DEFAULT_PARTS_ORDER);
+    }
+
+    public ConfigurableCurlBuilder(Request request, long limit, List<HeaderModifier> headerModifiers, Options options, String delimiter, int[] partsOrder) {
+        super(request, limit, headerModifiers, options, delimiter);
+        this.partsOrder = partsOrder;
+    }
+
+    @Override
+    public String build() {
+        List<String> parts = new ArrayList<>();
+        for (int part : partsOrder) {
+            switch (part) {
+                case PART_CURL: addCurl(parts); break;
+                case PART_OPTIONS: addOptions(parts); break;
+                case PART_METHOD: addMethod(parts); break;
+                case PART_HEADERS: addHeaders(parts); break;
+                case PART_CONTENT_TYPE: addContentType(parts); break;
+                case PART_BODY: addBody(parts); break;
+                case PART_URL: addUrl(parts); break;
+            }
+        }
+
+        return join(delimiter, parts);
+    }
+
+    private void addCurl(List<String> parts) {
+        parts.add("curl");
+    }
+
+    private void addOptions(List<String> parts) {
+        parts.addAll(options);
+    }
+
+    private void addMethod(List<String> parts) {
+        parts.add(String.format(FORMAT_METHOD, method.toUpperCase()));
+    }
+
+    private void addHeaders(List<String> parts) {
+        for (Header header : headers) {
+            final String headerPart = String.format(FORMAT_HEADER, header.name(), header.value());
+            parts.add(headerPart);
+        }
+    }
+
+    private void addContentType(List<String> parts) {
+        if (contentType != null && !containsName(CONTENT_TYPE, headers)) {
+            parts.add(String.format(FORMAT_HEADER, CONTENT_TYPE, contentType));
+        }
+    }
+
+    private void addBody(List<String> parts) {
+        if (body != null) {
+            parts.add(String.format(FORMAT_BODY, body));
+        }
+    }
+
+    private void addUrl(List<String> parts) {
+        parts.add(String.format(FORMAT_URL, url));
+    }
+}