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package org.mule.providers.http; |
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import java.io.ByteArrayInputStream; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.UnsupportedEncodingException; |
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import java.util.Iterator; |
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|
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import org.apache.commons.httpclient.ChunkedInputStream; |
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import org.apache.commons.httpclient.ContentLengthInputStream; |
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import org.apache.commons.httpclient.Header; |
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import org.apache.commons.httpclient.HeaderElement; |
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import org.apache.commons.httpclient.HeaderGroup; |
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import org.apache.commons.httpclient.HttpStatus; |
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import org.apache.commons.httpclient.HttpVersion; |
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import org.apache.commons.httpclient.NameValuePair; |
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import org.apache.commons.httpclient.StatusLine; |
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import org.apache.commons.io.IOUtils; |
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import org.apache.commons.io.output.ByteArrayOutputStream; |
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public class HttpResponse |
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{ |
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|
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public static final String DEFAULT_CONTENT_CHARSET = "ISO-8859-1"; |
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private static final int DEFAULT_BUFFER_SIZE = 8192; |
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|
40 | 0 | private HttpVersion ver = HttpVersion.HTTP_1_1; |
41 | 0 | private int statusCode = HttpStatus.SC_OK; |
42 | 0 | private String phrase = HttpStatus.getStatusText(HttpStatus.SC_OK); |
43 | 0 | private HeaderGroup headers = new HeaderGroup(); |
44 | 0 | private InputStream entity = null; |
45 | 0 | private boolean keepAlive = false; |
46 | 0 | private boolean disableKeepAlive = false; |
47 | 0 | private String fallbackCharset = DEFAULT_CONTENT_CHARSET; |
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|
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public HttpResponse() |
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{ |
51 | 0 | super(); |
52 | 0 | } |
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|
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public HttpResponse(final StatusLine statusline, final Header[] headers, final InputStream content) |
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throws IOException |
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{ |
57 | 0 | super(); |
58 | 0 | if (statusline == null) |
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{ |
60 | 0 | throw new IllegalArgumentException("Status line may not be null"); |
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} |
62 | 0 | setStatusLine(HttpVersion.parse(statusline.getHttpVersion()), statusline.getStatusCode(), |
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statusline.getReasonPhrase()); |
64 | 0 | setHeaders(headers); |
65 | 0 | if (content != null) |
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{ |
67 | 0 | InputStream in = content; |
68 | 0 | Header contentLength = this.headers.getFirstHeader(HttpConstants.HEADER_CONTENT_LENGTH); |
69 | 0 | Header transferEncoding = this.headers.getFirstHeader(HttpConstants.HEADER_TRANSFER_ENCODING); |
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|
71 | 0 | if (transferEncoding != null) |
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{ |
73 | 0 | if (transferEncoding.getValue().indexOf(HttpConstants.TRANSFER_ENCODING_CHUNKED) != -1) |
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{ |
75 | 0 | in = new ChunkedInputStream(in); |
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} |
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} |
78 | 0 | else if (contentLength != null) |
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{ |
80 | 0 | long len = getContentLength(); |
81 | 0 | if (len >= 0) |
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{ |
83 | 0 | in = new ContentLengthInputStream(in, len); |
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} |
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} |
86 | 0 | this.entity = in; |
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} |
88 | 0 | } |
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|
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public void setStatusLine(final HttpVersion ver, int statuscode, final String phrase) |
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{ |
92 | 0 | if (ver == null) |
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{ |
94 | 0 | throw new IllegalArgumentException("HTTP version may not be null"); |
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} |
96 | 0 | if (statuscode <= 0) |
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{ |
98 | 0 | throw new IllegalArgumentException("Status code may not be negative or zero"); |
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} |
100 | 0 | this.ver = ver; |
101 | 0 | this.statusCode = statuscode; |
102 | 0 | if (phrase != null) |
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{ |
104 | 0 | this.phrase = phrase; |
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} |
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else |
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{ |
108 | 0 | this.phrase = HttpStatus.getStatusText(statuscode); |
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} |
110 | 0 | } |
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|
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public void setStatusLine(final HttpVersion ver, int statuscode) |
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{ |
114 | 0 | setStatusLine(ver, statuscode, null); |
115 | 0 | } |
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|
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public String getPhrase() |
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{ |
119 | 0 | return this.phrase; |
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} |
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|
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|
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|
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public int getStatuscode() |
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{ |
128 | 0 | return this.getStatusCode(); |
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} |
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|
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public int getStatusCode() |
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{ |
133 | 0 | return this.statusCode; |
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} |
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|
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public HttpVersion getHttpVersion() |
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{ |
138 | 0 | return this.ver; |
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} |
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|
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public String getStatusLine() |
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{ |
143 | 0 | StringBuffer buffer = new StringBuffer(64); |
144 | 0 | buffer.append(this.ver); |
145 | 0 | buffer.append(' '); |
146 | 0 | buffer.append(this.statusCode); |
147 | 0 | if (this.phrase != null) |
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{ |
149 | 0 | buffer.append(' '); |
150 | 0 | buffer.append(this.phrase); |
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} |
152 | 0 | return buffer.toString(); |
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} |
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|
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public boolean containsHeader(final String name) |
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{ |
157 | 0 | return this.headers.containsHeader(name); |
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} |
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|
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public Header[] getHeaders() |
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{ |
162 | 0 | return this.headers.getAllHeaders(); |
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} |
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|
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public Header getFirstHeader(final String name) |
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{ |
167 | 0 | return this.headers.getFirstHeader(name); |
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} |
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|
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public void removeHeaders(final String s) |
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{ |
172 | 0 | if (s == null) |
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{ |
174 | 0 | return; |
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} |
176 | 0 | Header[] headers = this.headers.getHeaders(s); |
177 | 0 | for (int i = 0; i < headers.length; i++) |
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{ |
179 | 0 | this.headers.removeHeader(headers[i]); |
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} |
181 | 0 | } |
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|
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public void addHeader(final Header header) |
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{ |
185 | 0 | if (header == null) |
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{ |
187 | 0 | return; |
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} |
189 | 0 | this.headers.addHeader(header); |
190 | 0 | } |
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|
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public void setHeader(final Header header) |
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{ |
194 | 0 | if (header == null) |
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{ |
196 | 0 | return; |
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} |
198 | 0 | removeHeaders(header.getName()); |
199 | 0 | addHeader(header); |
200 | 0 | } |
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|
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public void setHeaders(final Header[] headers) |
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{ |
204 | 0 | if (headers == null) |
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{ |
206 | 0 | return; |
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} |
208 | 0 | this.headers.setHeaders(headers); |
209 | 0 | } |
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|
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public Iterator getHeaderIterator() |
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{ |
213 | 0 | return this.headers.getIterator(); |
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} |
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|
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public String getCharset() |
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{ |
218 | 0 | String charset = getFallbackCharset(); |
219 | 0 | Header contenttype = this.headers.getFirstHeader(HttpConstants.HEADER_CONTENT_TYPE); |
220 | 0 | if (contenttype != null) |
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{ |
222 | 0 | HeaderElement values[] = contenttype.getElements(); |
223 | 0 | if (values.length == 1) |
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{ |
225 | 0 | NameValuePair param = values[0].getParameterByName("charset"); |
226 | 0 | if (param != null) |
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{ |
228 | 0 | charset = param.getValue(); |
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} |
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} |
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} |
232 | 0 | return charset; |
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} |
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|
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public long getContentLength() |
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{ |
237 | 0 | Header contentLength = this.headers.getFirstHeader(HttpConstants.HEADER_CONTENT_LENGTH); |
238 | 0 | if (contentLength != null) |
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{ |
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try |
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{ |
242 | 0 | return Long.parseLong(contentLength.getValue()); |
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} |
244 | 0 | catch (NumberFormatException e) |
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{ |
246 | 0 | return -1; |
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} |
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} |
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else |
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{ |
251 | 0 | return -1; |
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} |
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} |
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|
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public void setBodyString(final String string) |
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{ |
257 | 0 | if (string != null) |
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{ |
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byte[] raw; |
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try |
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{ |
262 | 0 | raw = string.getBytes(getCharset()); |
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} |
264 | 0 | catch (UnsupportedEncodingException e) |
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{ |
266 | 0 | raw = string.getBytes(); |
267 | 0 | } |
268 | 0 | this.entity = new ByteArrayInputStream(raw); |
269 | 0 | if (!containsHeader(HttpConstants.HEADER_CONTENT_TYPE)) |
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{ |
271 | 0 | setHeader(new Header(HttpConstants.HEADER_CONTENT_TYPE, HttpConstants.DEFAULT_CONTENT_TYPE)); |
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} |
273 | 0 | setHeader(new Header(HttpConstants.HEADER_CONTENT_LENGTH, Long.toString(raw.length))); |
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} |
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else |
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{ |
277 | 0 | this.entity = null; |
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} |
279 | 0 | } |
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|
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public void setBody(final InputStream instream) |
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{ |
283 | 0 | this.entity = instream; |
284 | 0 | } |
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|
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public InputStream getBody() |
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{ |
288 | 0 | return this.entity; |
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} |
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|
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public byte[] getBodyBytes() throws IOException |
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{ |
293 | 0 | InputStream in = getBody(); |
294 | 0 | if (in != null) |
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{ |
296 | 0 | ByteArrayOutputStream buffer = new ByteArrayOutputStream(DEFAULT_BUFFER_SIZE); |
297 | 0 | IOUtils.copy(in, buffer); |
298 | 0 | return buffer.toByteArray(); |
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} |
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else |
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{ |
302 | 0 | return null; |
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} |
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} |
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|
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public String getBodyString() throws IOException |
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{ |
308 | 0 | byte[] raw = getBodyBytes(); |
309 | 0 | if (raw != null) |
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{ |
311 | 0 | return new String(raw, getCharset()); |
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} |
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else |
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{ |
315 | 0 | return null; |
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} |
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} |
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|
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public boolean isKeepAlive() |
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{ |
321 | 0 | return !disableKeepAlive && keepAlive; |
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} |
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|
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public void setKeepAlive(boolean keepAlive) |
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{ |
326 | 0 | this.keepAlive = keepAlive; |
327 | 0 | } |
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|
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public void disableKeepAlive(boolean keepalive) |
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{ |
331 | 0 | disableKeepAlive = keepalive; |
332 | 0 | } |
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|
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public String getFallbackCharset() |
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{ |
336 | 0 | return fallbackCharset; |
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} |
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|
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public void setFallbackCharset(String overrideCharset) |
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{ |
341 | 0 | this.fallbackCharset = overrideCharset; |
342 | 0 | } |
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|
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} |