Examples of org.rhq.core.util.file.FileReverter

org.rhq.core.util.file.FileReverter
This will slurp in the original content of a file and store it in memory. If, later, you need to revert that file back to its original content, you can call #revert. NOTE: do not use this with large files. It will store the content in memory; large files will result in out-of-memory exceptions. @author John Mazzitelli

                    + exitValue);
                return exitValue;
            }


            // If any failures occur during upgrade, we know we need to reset rhq-server.properties
            final FileReverter serverPropFileReverter = new FileReverter(getServerPropertiesFile());
            addUndoTask(new ControlCommand.UndoTask("Reverting server properties file") {
                public void performUndoWork() throws Exception {
                    try {
                        serverPropFileReverter.revert();
                    } catch (Exception e) {
                        throw new Exception("Cannot reset rhq-server.properties - revert settings manually", e);
                    }
                }
            });

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            if (oldServerEnvFile.exists()) {
                File newServerEnvFile = new File(getBaseDir(), envFile);
                File newServerEnvFileBackup = new File(getBaseDir(), (envFile + ".default"));
                try {
                    // If any failures occur during upgrade reset the env file to the default
                    final FileReverter serverEnvFileReverter = new FileReverter(newServerEnvFile);
                    addUndoTask(new ControlCommand.UndoTask("Reverting server environment file") {
                        public void performUndoWork() throws Exception {
                            try {
                                serverEnvFileReverter.revert();
                            } catch (Exception e) {
                                throw new Exception("Cannot reset rhq-server-env.sh|bat - revert manually", e);
                            }
                        }
                    });

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            // If the install fails, we will remove the install marker file allowing the installer to be able to run again.
            // We also need to revert mgmt-users.properties
            File mgmtUserPropertiesFile = new File(getBaseDir(),
                "jbossas/standalone/configuration/mgmt-users.properties");
            File standaloneXmlFile = new File(getBaseDir(), "jbossas/standalone/configuration/standalone-full.xml");
            final FileReverter mgmtUserPropertiesReverter = new FileReverter(mgmtUserPropertiesFile);
            final FileReverter standaloneXmlFileReverter = new FileReverter(standaloneXmlFile);
            addUndoTask(new ControlCommand.UndoTask(
                "Removing server-installed marker file and management user and reverting to original standalone-full.xml") {
                public void performUndoWork() throws Exception {
                    getServerInstalledMarkerFile(getBaseDir()).delete();
                    mgmtUserPropertiesReverter.revert();
                    standaloneXmlFileReverter.revert();
                }
            });


            org.apache.commons.exec.CommandLine commandLine = getCommandLine("rhq-installer");
            if (ServerInstallerAction.UPGRADE == serverInstallerAction) {

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                log.error("Exiting due to the previous errors");
                return RHQControl.EXIT_CODE_NOT_INSTALLED;
            }


            // If any failures occur, we know we need to reset rhq-server.properties.
            final FileReverter serverPropFileReverter = new FileReverter(getServerPropertiesFile());
            addUndoTask(new ControlCommand.UndoTask("Reverting server properties file") {
                public void performUndoWork() throws Exception {
                    try {
                        serverPropFileReverter.revert();
                    } catch (Exception e) {
                        throw new Exception("Cannot reset rhq-server.properties - revert settings manually", e);
                    }
                }
            });

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Related Classes of org.rhq.core.util.file.FileReverter

org.rhq.server.control.command.AbstractInstall

org.rhq.server.control.command.Install

org.rhq.server.control.command.Upgrade

java.io.FileInputStream

java.io.FileOutputStream

java.io.ByteArrayInputStream

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