Add service support for updating a gist

Change-Id: I5c2cfcf78649d4410300a5539f0f7636b54fc1c7
Signed-off-by: Kevin Sawicki <kevin@github.com>
Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>

4 files changed, 63 insertions, 0 deletions

diff --git a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/Gist.java b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/Gist.java
index 5eeeb6de..99e3450f 100644
--- a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/Gist.java
+++ b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/Gist.java
@@ -134,6 +134,15 @@ public class Gist {
 	}
 
 	/**
+	 * @param repo
+	 * @return this gist
+	 */
+	public Gist setRepo(String repo) {
+		this.repo = repo;
+		return this;
+	}
+
+	/**
 	 * @return url
 	 */
 	public String getUrl() {
diff --git a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/GistFile.java b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/GistFile.java
index ff56ae2a..ade2eae2 100644
--- a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/GistFile.java
+++ b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/GistFile.java
@@ -54,6 +54,13 @@ public class GistFile {
 	}
 
 	/**
+	 * @param filename
+	 */
+	public void setFilename(String filename) {
+		this.filename = filename;
+	}
+
+	/**
 	 * @return rawUrl
 	 */
 	public String getRawUrl() {
diff --git a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/GistService.java b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/GistService.java
index 02fe9aa3..9fcd1d6b 100644
--- a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/GistService.java
+++ b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/GistService.java
@@ -86,6 +86,20 @@ public class GistService {
 	}
 
 	/**
+	 * Update a gist
+	 * 
+	 * @param gist
+	 * @return updated gist
+	 * @throws IOException
+	 */
+	public Gist updateGist(Gist gist) throws IOException {
+		StringBuilder uri = new StringBuilder(IGitHubConstants.SEGMENT_GISTS);
+		uri.append('/').append(gist.getRepo())
+				.append(IGitHubConstants.SUFFIX_JSON);
+		return this.client.put(uri.toString(), gist, Gist.class);
+	}
+
+	/**
 	 * Create comment on specified gist id
 	 * 
 	 * @param gistId
diff --git a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/GitHubClient.java b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/GitHubClient.java
index 3547d24f..ffbe25b1 100644
--- a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/GitHubClient.java
+++ b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/github/internal/GitHubClient.java
@@ -190,6 +190,39 @@ public class GitHubClient {
 	}
 
 	/**
+	 * Get response stream from uri. It is the responsibility of the calling
+	 * method to close the returned stream.
+	 * 
+	 * @param uri
+	 * @param params
+	 * @return V
+	 * @throws IOException
+	 */
+	public InputStream getStream(String uri, Map<String, String> params)
+			throws IOException {
+		GetMethod method = createGet(uri);
+		if (params != null && !params.isEmpty())
+			method.setQueryString(getPairs(params));
+
+		try {
+			int status = this.client.executeMethod(this.hostConfig, method);
+			switch (status) {
+			case 200:
+				return method.getResponseBodyAsStream();
+			case 400:
+			case 404:
+			case 500:
+				RequestError error = parseJson(method, RequestError.class);
+				throw new RequestException(error);
+			default:
+				throw new IOException(method.getStatusText());
+			}
+		} catch (JsonParseException jpe) {
+			throw new IOException(jpe);
+		}
+	}
+
+	/**
 	 * Get response from uri and bind to specified type
 	 *
 	 * @param <V>