cs-http-client/src/main/java/io/cloudslang/content/httpclient/build/HeadersBuilder.java
/*
* Copyright 2022-2024 Open Text
* This program and the accompanying materials
* are made available under the terms of the Apache License v2.0 which accompany this distribution.
*
* The Apache License is available 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 io.cloudslang.content.httpclient.build;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.Header;
import org.apache.http.entity.ContentType;
import org.apache.http.message.BasicHeader;
import org.apache.http.message.BufferedHeader;
import org.apache.http.util.CharArrayBuffer;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
public class HeadersBuilder {
private String headers;
private ContentType contentType;
private Header entityContentType;
public HeadersBuilder setHeaders(String headers) {
this.headers = headers;
return this;
}
public HeadersBuilder setContentType(ContentType contentType) {
this.contentType = contentType;
return this;
}
public HeadersBuilder setEntityContentType(Header entityContentType) {
this.entityContentType = entityContentType;
return this;
}
public List<Header> buildHeaders() {
ArrayList<Header> headersArr = new ArrayList<>();
if (!StringUtils.isEmpty(headers)) {
BufferedReader in = new BufferedReader(new StringReader(headers));
String str;
try {
while ((str = in.readLine()) != null) {
CharArrayBuffer charArrayBuffer = new CharArrayBuffer(str.length());
charArrayBuffer.append(str);
headersArr.add(new BufferedHeader(charArrayBuffer));
}
} catch (IOException e) {
throw new IllegalArgumentException(e);
}
}
if (entityContentType != null) {
headersArr.add(entityContentType);
} else if (contentType != null && !contentType.toString().isEmpty()) {
headersArr.add(new BasicHeader("Content-Type", contentType.toString()));
}
return headersArr;
}
}