createTag() and listTags() methods added

Author: host6

src/main/java/org/scm4j/vcs/api/IVCS.java

@@ -4,6 +4,7 @@
 import java.util.Set;
 
 import org.scm4j.vcs.api.exceptions.EVCSFileNotFound;
+import org.scm4j.vcs.api.exceptions.EVCSTagExists;
 import org.scm4j.vcs.api.workingcopy.IVCSWorkspace;
 
 public interface IVCS {
@@ -44,4 +45,8 @@ public interface IVCS {
 	VCSCommit getHeadCommit(String branchName);
 
 	Boolean fileExists(String branchName, String filePath);
+	
+	VCSTag createTag(String branchName, String tagName, String tagMessage) throws EVCSTagExists;
+	
+	List<VCSTag> getTags();
 }

src/main/java/org/scm4j/vcs/api/VCSTag.java

@@ -0,0 +1,80 @@
+package org.scm4j.vcs.api;
+
+public class VCSTag {
+	private final String tagName;
+	private final String tagMessage;
+	private final String author;
+	private final VCSCommit relatedCommit;
+
+	public VCSTag(String tagName, String tagMessage, String author, VCSCommit relatedCommit) {
+		this.tagName = tagName;
+		this.tagMessage = tagMessage;
+		this.author = author;
+		this.relatedCommit = relatedCommit;
+	}
+
+	public String getTagName() {
+		return tagName;
+	}
+
+	public String getTagMessage() {
+		return tagMessage;
+	}
+
+	public String getAuthor() {
+		return author;
+	}
+
+	public VCSCommit getRelatedCommit() {
+		return relatedCommit;
+	}
+
+	@Override
+	public String toString() {
+		return "VCSTag [tagName=" + tagName + ", tagMessage=" + tagMessage + ", author=" + author + ", relatedCommit="
+				+ relatedCommit + "]";
+	}
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((author == null) ? 0 : author.hashCode());
+		result = prime * result + ((relatedCommit == null) ? 0 : relatedCommit.hashCode());
+		result = prime * result + ((tagMessage == null) ? 0 : tagMessage.hashCode());
+		result = prime * result + ((tagName == null) ? 0 : tagName.hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		VCSTag other = (VCSTag) obj;
+		if (author == null) {
+			if (other.author != null)
+				return false;
+		} else if (!author.equals(other.author))
+			return false;
+		if (relatedCommit == null) {
+			if (other.relatedCommit != null)
+				return false;
+		} else if (!relatedCommit.equals(other.relatedCommit))
+			return false;
+		if (tagMessage == null) {
+			if (other.tagMessage != null)
+				return false;
+		} else if (!tagMessage.equals(other.tagMessage))
+			return false;
+		if (tagName == null) {
+			if (other.tagName != null)
+				return false;
+		} else if (!tagName.equals(other.tagName))
+			return false;
+		return true;
+	}
+}

src/main/java/org/scm4j/vcs/api/exceptions/EVCSTagExists.java

@@ -0,0 +1,11 @@
+package org.scm4j.vcs.api.exceptions;
+
+public class EVCSTagExists extends EVCSException {
+
+	private static final long serialVersionUID = -37435263364256223L;
+
+	public EVCSTagExists(Exception e) {
+		super(e);
+	}
+
+}