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Query.java
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125 lines (111 loc) · 3.71 KB
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package org.gitlab.api.http;
import org.gitlab.api.models.GitlabAccessLevel;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
/**
* Models the Query
* aspect of a URL
*/
public class Query {
private class Tuple<T1, T2> {
T1 _1;
T2 _2;
public Tuple(T1 _1, T2 _2) {
this._1 = _1;
this._2 = _2;
}
}
/**
* The type of params is:
* Tuple<name, Tuple<value, URLEncoder.encode(value, "UTF-8")>>
*/
private final List<Tuple<String, Tuple<String, String>>> params = new ArrayList<Tuple<String, Tuple<String, String>>>();
/**
* Appends a parameter to the query
*
* @param name Parameter name
* @param value Parameter value
* @throws java.io.UnsupportedEncodingException If the provided value cannot be URL Encoded
*/
public Query append(final String name, final String value) throws UnsupportedEncodingException {
params.add(new Tuple<String, Tuple<String, String>>(name, new Tuple<String, String>(value, URLEncoder.encode(value, "UTF-8"))));
return this;
}
/**
* Conditionally append a parameter to the query
* if the value of the parameter is not null
*
* @param name Parameter name
* @param value Parameter value
* @throws java.io.UnsupportedEncodingException If the provided value cannot be URL Encoded
*/
public Query appendIf(final String name, final String value) throws UnsupportedEncodingException {
if (value != null) {
append(name, value);
}
return this;
}
/**
* Conditionally append a parameter to the query
* if the value of the parameter is not null
*
* @param name Parameter name
* @param value Parameter value
* @throws java.io.UnsupportedEncodingException If the provided value cannot be URL Encoded
*/
public Query appendIf(final String name, final Integer value) throws UnsupportedEncodingException {
if (value != null) {
append(name, value.toString());
}
return this;
}
/**
* Conditionally append a parameter to the query
* if the value of the parameter is not null
*
* @param name Parameter name
* @param value Parameter value
* @throws java.io.UnsupportedEncodingException If the provided value cannot be URL Encoded
*/
public Query appendIf(final String name, final Boolean value) throws UnsupportedEncodingException {
if (value != null) {
append(name, value.toString());
}
return this;
}
/**
* Conditionally append a parameter to the query
* if the value of the parameter is not null
*
* @param name Parameter name
* @param value Parameter value
* @throws java.io.UnsupportedEncodingException If the provided value cannot be URL Encoded
*/
public Query appendIf(final String name, final GitlabAccessLevel value) throws UnsupportedEncodingException {
if (value != null) {
append(name, Integer.toString(value.accessValue));
}
return this;
}
/**
* Returns a Query suitable for appending
* to a URI
*/
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
for (final Tuple<String, Tuple<String, String>> param : params) {
if (builder.length() == 0) {
builder.append('?');
} else {
builder.append('&');
}
builder.append(param._1);
builder.append('=');
builder.append(param._2._2);
}
return builder.toString();
}
}