openethereum/parity-clib/Parity.java
Pierre Krieger ab9843cb00 Add a Java interface (#9346)
* Add a Java interface

* Use system ABI

* Forgot exception

* Fix param for parity_rpc

* Address concerns
2018-09-05 17:17:12 +02:00

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// Copyright 2018 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
package io.parity.ethereum;
/**
* Interface to the Parity client.
*/
public class Parity {
/**
* Starts the Parity client with the CLI options passed as an array of strings.
*
* Each space-delimited option corresponds to an array entry.
* For example: `["--port", "12345"]`
*
* @param options The CLI options to start Parity with
*/
public Parity(String[] options) {
long config = configFromCli(options);
inner = build(config);
}
/** Performs a synchronous RPC query.
*
* Note that this will block the current thread until the query is finished. You are
* encouraged to create a background thread if you don't want to block.
*
* @param query The JSON-encoded RPC query to perform
* @return A JSON-encoded result
*/
public String rpcQuery(String query) {
return rpcQueryNative(inner, query);
}
@Override
protected void finalize() {
destroy(inner);
}
static {
System.loadLibrary("parity");
}
private static native long configFromCli(String[] cliOptions);
private static native long build(long config);
private static native void destroy(long inner);
private static native String rpcQueryNative(long inner, String rpc);
private long inner;
}